diff --git a/.dialyzer_ignore.exs b/.dialyzer_ignore.exs
new file mode 100644
index 00000000..e9f59819
--- /dev/null
+++ b/.dialyzer_ignore.exs
@@ -0,0 +1,9 @@
+[
+  # The following four ignore rules are due to an upstream type problem in
+  # HTTPoison 3.0. Once https://github.com/edgurgel/httpoison/pull/511 has been
+  # merged and released, we should be able to delete these rules.
+  {"deps/httpoison/lib/httpoison/base.ex", :callback_arg_type_mismatch},
+  {"deps/httpoison/lib/httpoison/base.ex", :callback_type_mismatch},
+  {"deps/httpoison/lib/httpoison/base.ex", :pattern_match_cov},
+  {"lib/config_cat/api.ex", :invalid_contract}
+]
diff --git a/.formatter.exs b/.formatter.exs
index a2af9da2..ec8672d1 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -1,6 +1,6 @@
 # Used by "mix format"
 [
   import_deps: [:typed_struct],
-  inputs: ["{mix,.credo,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  inputs: ["{mix,.credo,.dialyzer_ignore,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
   plugins: [Styler]
 ]
diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index 73f29d6a..971959df 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -12,15 +12,16 @@ on:
   workflow_dispatch:
 
 env:
-  ELIXIR_VERSION: '1.16.x'
-  OTP_VERSION: '24.x'
+  ELIXIR_VERSION: '1.20.x'
+  OTP_VERSION: '27.x'
 
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        elixir-version: ['1.12.x', '1.13.x', '1.14.x', '1.15.x', '1.16.x']
+        elixir-version: ['1.16.x', '1.17.x', '1.18.x', '1.19.x', '1.20.x']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Elixir
diff --git a/.github/workflows/snyk.yml b/.github/workflows/snyk.yml
index 94072e8f..533bf223 100644
--- a/.github/workflows/snyk.yml
+++ b/.github/workflows/snyk.yml
@@ -9,7 +9,7 @@ on:
   workflow_dispatch:
 
 env:
-  ELIXIR_VERSION: '1.15.x'
+  ELIXIR_VERSION: '1.16.x'
   OTP_VERSION: '26.x'
 
 jobs:
diff --git a/.tool-versions b/.tool-versions
index 08216bb2..a97a0084 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.16.0-otp-26
-erlang 26.2
+elixir 1.20.2-otp-29
+erlang 29.0.3
diff --git a/lib/config_cat/cache_policy/lazy.ex b/lib/config_cat/cache_policy/lazy.ex
index 4cbb1181..2f191fe7 100644
--- a/lib/config_cat/cache_policy/lazy.ex
+++ b/lib/config_cat/cache_policy/lazy.ex
@@ -7,11 +7,10 @@ defmodule ConfigCat.CachePolicy.Lazy do
 
   alias ConfigCat.CachePolicy.Helpers
   alias ConfigCat.CachePolicy.Helpers.State
+  alias ConfigCat.ConfigCatLogger
   alias ConfigCat.ConfigEntry
   alias ConfigCat.FetchTime
 
-  require ConfigCat.ConfigCatLogger, as: ConfigCatLogger
-
   typedstruct enforce: true do
     field :cache_refresh_interval_ms, non_neg_integer()
     field :mode, String.t(), default: "l"
diff --git a/lib/config_cat/cache_policy/manual.ex b/lib/config_cat/cache_policy/manual.ex
index 0bec1af6..4ce84f42 100644
--- a/lib/config_cat/cache_policy/manual.ex
+++ b/lib/config_cat/cache_policy/manual.ex
@@ -7,8 +7,7 @@ defmodule ConfigCat.CachePolicy.Manual do
 
   alias ConfigCat.CachePolicy.Helpers
   alias ConfigCat.CachePolicy.Helpers.State
-
-  require ConfigCat.ConfigCatLogger, as: ConfigCatLogger
+  alias ConfigCat.ConfigCatLogger
 
   typedstruct enforce: true do
     field :mode, String.t(), default: "m"
diff --git a/lib/config_cat/config/user_comparator.ex b/lib/config_cat/config/user_comparator.ex
index 5661526b..3c95b6ad 100644
--- a/lib/config_cat/config/user_comparator.ex
+++ b/lib/config_cat/config/user_comparator.ex
@@ -524,7 +524,7 @@ defmodule ConfigCat.Config.UserComparator do
   end
 
   @spec to_unix_seconds(DateTime.t() | NaiveDateTime.t() | number() | String.t()) ::
-          {:ok, float()} | {:error, :invalid_float}
+          {:ok, float()} | {:error, :invalid_datetime | :invalid_float}
   def to_unix_seconds(%DateTime{} = value) do
     {:ok, DateTime.to_unix(value, :millisecond) / 1000.0}
   end
diff --git a/lib/config_cat/hooks.ex b/lib/config_cat/hooks.ex
index 9f09918d..f52efaa9 100644
--- a/lib/config_cat/hooks.ex
+++ b/lib/config_cat/hooks.ex
@@ -87,7 +87,7 @@ defmodule ConfigCat.Hooks do
           | {:on_error, on_error_callback()}
           | {:on_flag_evaluated, on_flag_evaluated_callback()}
   @type start_option :: {:hooks, t()} | {:instance_id, ConfigCat.instance_id()}
-  @opaque t :: ConfigCat.instance_id()
+  @type t :: ConfigCat.instance_id()
 
   @doc false
   @spec start_link([start_option()]) :: GenServer.on_start()
diff --git a/mix.exs b/mix.exs
index 25899bc4..696617f2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,8 +9,8 @@ defmodule ConfigCat.MixProject do
       name: "ConfigCat",
       source_url: @source_url,
       homepage_url: "https://configcat.com/",
-      version: "4.0.4",
-      elixir: "~> 1.12",
+      version: "5.0.0",
+      elixir: "~> 1.16",
       description: description(),
       package: package(),
       elixirc_options: elixirc_options(Mix.env()),
@@ -28,13 +28,7 @@ defmodule ConfigCat.MixProject do
         logo: "assets/logo.png",
         main: "readme"
       ],
-      test_coverage: [tool: ExCoveralls],
-      preferred_cli_env: [
-        coveralls: :test,
-        "coveralls.travis": :test,
-        "coveralls.html": :test,
-        "coveralls.json": :test
-      ]
+      test_coverage: [tool: ExCoveralls]
     ]
   end
 
@@ -45,6 +39,17 @@ defmodule ConfigCat.MixProject do
     ]
   end
 
+  def cli do
+    [
+      preferred_envs: [
+        coveralls: :test,
+        "coveralls.travis": :test,
+        "coveralls.html": :test,
+        "coveralls.json": :test
+      ]
+    ]
+  end
+
   defp elixirc_options(:dev) do
     [
       all_warnings: true,
@@ -77,9 +82,9 @@ defmodule ConfigCat.MixProject do
       {:elixir_uuid, "~> 1.2"},
       {:ex_doc, "~> 0.31.0", only: :dev, runtime: false},
       {:excoveralls, "~> 0.18.0", only: :test},
-      {:httpoison, "~> 1.7 or ~> 2.0"},
+      {:httpoison, "~> 2.0 or ~> 3.0"},
       {:jason, "~> 1.2"},
-      {:mix_test_interactive, "~> 1.2", only: :dev, runtime: false},
+      {:mix_test_interactive, "~> 5.1", only: :dev, runtime: false},
       {:mox, "~> 1.1", only: :test},
       {:styler, "~> 0.11", only: [:dev, :test], runtime: false},
       {:typed_struct, "~> 0.3.0"},
diff --git a/mix.lock b/mix.lock
index 3227b393..3d06a53b 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,30 +1,34 @@
 %{
   "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
-  "certifi": {:hex, :certifi, "2.15.0", "0e6e882fcdaaa0a5a9f2b3db55b1394dba07e8d6d9bcad08318fb604c6839712", [:rebar3], [], "hexpm", "b147ed22ce71d72eafdad94f055165c1c182f61a2ff49df28bcc71d1d5b94a60"},
-  "credo": {:hex, :credo, "1.7.7", "771445037228f763f9b2afd612b6aa2fd8e28432a95dbbc60d8e03ce71ba4446", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "8bc87496c9aaacdc3f90f01b7b0582467b69b4bd2441fe8aae3109d843cc2f2e"},
-  "dialyxir": {:hex, :dialyxir, "1.4.3", "edd0124f358f0b9e95bfe53a9fcf806d615d8f838e2202a9f430d59566b6b53b", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "bf2cfb75cd5c5006bec30141b131663299c661a864ec7fbbc72dfa557487a986"},
+  "certifi": {:hex, :certifi, "2.17.0", "835748414307e15e05b17d0e518190228ce648b08d569a5cc93a85a40f3e5c9b", [:rebar3], [], "hexpm", "8122798a17f0293c80daada25d0f81c7f4d708c73fef782c7c9b1950e26e4d21"},
+  "credo": {:hex, :credo, "1.7.19", "cc52129665fc7c15143d47838fda0f9cd6dac9ceced7bf4da6f85fcbfe64b12a", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "2d8bc95d5a7bb99dd2613621d4f08c6a3575c3fd4b62e6a2b48a100352a557b8"},
+  "dialyxir": {:hex, :dialyxir, "1.4.7", "dda948fcee52962e4b6c5b4b16b2d8fa7d50d8645bbae8b8685c3f9ecb7f5f4d", [:mix], [{:erlex, ">= 0.2.8", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b34527202e6eb8cee198efec110996c25c5898f43a4094df157f8d28f27d9efe"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.41", "ab34711c9dc6212dda44fcd20ecb87ac3f3fce6f0ca2f28d4a00e4154f8cd599", [:mix], [], "hexpm", "a81a04c7e34b6617c2792e291b5a2e57ab316365c2644ddc553bb9ed863ebefa"},
   "elixir_uuid": {:hex, :elixir_uuid, "1.2.1", "dce506597acb7e6b0daeaff52ff6a9043f5919a4c3315abb4143f0b00378c097", [:mix], [], "hexpm", "f7eba2ea6c3555cea09706492716b0d87397b88946e6380898c2889d68585752"},
-  "erlex": {:hex, :erlex, "0.2.7", "810e8725f96ab74d17aac676e748627a07bc87eb950d2b83acd29dc047a30595", [:mix], [], "hexpm", "3ed95f79d1a844c3f6bf0cea61e0d5612a42ce56da9c03f01df538685365efb0"},
+  "erlex": {:hex, :erlex, "0.2.9", "7debbbaa9f4f368b8cd648983e0f1d7963028508e9c59e9d4ed504e94ef52a55", [:mix], [], "hexpm", "8cfffc0ec7159e6d73de2ab28a588064de80f88b2798d5cbe4482cbbc200178b"},
   "ex_doc": {:hex, :ex_doc, "0.31.2", "8b06d0a5ac69e1a54df35519c951f1f44a7b7ca9a5bb7a260cd8a174d6322ece", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.1", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "317346c14febaba9ca40fd97b5b5919f7751fb85d399cc8e7e8872049f37e0af"},
   "excoveralls": {:hex, :excoveralls, "0.18.2", "86efd87a0676a3198ff50b8c77620ea2f445e7d414afa9ec6c4ba84c9f8bdcc2", [:mix], [{:castore, "~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "230262c418f0de64077626a498bd4fdf1126d5c2559bb0e6b43deac3005225a4"},
-  "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
-  "hackney": {:hex, :hackney, "1.25.0", "390e9b83f31e5b325b9f43b76e1a785cbdb69b5b6cd4e079aa67835ded046867", [:rebar3], [{:certifi, "~> 2.15.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~> 6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~> 1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~> 1.4", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.4.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~> 1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~> 0.7.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "7209bfd75fd1f42467211ff8f59ea74d6f2a9e81cbcee95a56711ee79fd6b1d4"},
-  "httpoison": {:hex, :httpoison, "2.2.3", "a599d4b34004cc60678999445da53b5e653630651d4da3d14675fedc9dd34bd6", [:mix], [{:hackney, "~> 1.21", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "fa0f2e3646d3762fdc73edb532104c8619c7636a6997d20af4003da6cfc53e53"},
-  "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~> 0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},
-  "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
+  "file_system": {:hex, :file_system, "1.1.1", "31864f4685b0148f25bd3fbef2b1228457c0c89024ad67f7a81a3ffbc0bbad3a", [:mix], [], "hexpm", "7a15ff97dfe526aeefb090a7a9d3d03aa907e100e262a0f8f7746b78f8f87a5d"},
+  "h2": {:hex, :h2, "0.10.2", "ea0146b9c8b5f3b5de16045765f5684db38ef1e66f1c60444890948cb1003e47", [:rebar3], [], "hexpm", "497a899f338b42e6a0b292524e635b0ce6f9379fa39395c8e38d06351cd9b9cf"},
+  "hackney": {:hex, :hackney, "4.4.3", "644c79b2eac605724e55fca651259c0560c4eea44b4c60b64baf5a2258b99376", [:rebar3], [{:certifi, "~> 2.17.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:h2, "~> 0.10.1", [hex: :h2, repo: "hexpm", optional: false]}, {:idna, "~> 7.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:mimerl, "~> 1.4", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.4.2", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:quic, "~> 1.6.5", [hex: :quic, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~> 1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:webtransport, "~> 0.4.1", [hex: :webtransport, repo: "hexpm", optional: false]}], "hexpm", "db6bbd96ff8562e6398c0f468ae63fc516857a0a12ecf232b3cb8e34fd167018"},
+  "httpoison": {:hex, :httpoison, "3.0.0", "8566a933bb9175236d1ec335978445b67cd1f5b5d3ead6ca4b80be469d41f5d9", [:mix], [{:hackney, "~> 4.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "9130197b7658901c493d6fcfb842fb9676300fa8a6c8ed058c8889cf1a77f3c2"},
+  "idna": {:hex, :idna, "7.1.0", "1067a13043538129602d2f2ce6899d8713125c7d19734aa557ce2e3ea55bd4f1", [:rebar3], [], "hexpm", "6ae959a025bf36df61a8cab8508d9654891b5426a84c44d82deaffd6ddf8c71f"},
+  "jason": {:hex, :jason, "1.4.5", "2e3a008590b0b8d7388c20293e9dcc9cf3e5d642fd2a114e4cbbb52e595d940a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0 or ~> 3.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "b0c823996102bcd0239b3c2444eb00409b72f6a140c1950bc8b457d836b30684"},
   "makeup": {:hex, :makeup, "1.1.2", "9ba8837913bdf757787e71c1581c21f9d2455f4dd04cfca785c70bbfff1a76a3", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cce1566b81fbcbd21eca8ffe808f33b221f9eee2cbc7a1706fc3da9ff18e6cac"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.16.2", "627e84b8e8bf22e60a2579dad15067c755531fea049ae26ef1020cad58fe9578", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "41193978704763f6bbe6cc2758b84909e62984c7752b3784bd3c218bb341706b"},
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.5", "e0ff5a7c708dda34311f7522a8758e23bfcd7d8d8068dc312b5eb41c6fd76eba", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "94d2e986428585a21516d7d7149781480013c56e30c6a233534bedf38867a59a"},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
-  "mimerl": {:hex, :mimerl, "1.4.0", "3882a5ca67fbbe7117ba8947f27643557adec38fa2307490c4c4207624cb213b", [:rebar3], [], "hexpm", "13af15f9f68c65884ecca3a3891d50a7b57d82152792f3e19d88650aa126b144"},
-  "mix_test_interactive": {:hex, :mix_test_interactive, "1.2.2", "72f72faa7007d6cb9634ee5f6989b25ee5b194c5729e5e45a962e68b2e217374", [:mix], [{:file_system, "~> 0.2", [hex: :file_system, repo: "hexpm", optional: false]}, {:typed_struct, "~> 0.3.0", [hex: :typed_struct, repo: "hexpm", optional: false]}], "hexpm", "f49f2a70d00aee93418506dde4d95387fe56bdba501ef9d2aa06ea07d4823508"},
+  "mimerl": {:hex, :mimerl, "1.5.0", "f35aca6f23242339b3666e0ac0702379e362b469d0aea167f6cc713547e777ed", [:rebar3], [], "hexpm", "db648ce065bae14ea84ca8b5dd123f42f49417cef693541110bf6f9e9be9ecc4"},
+  "mix_test_interactive": {:hex, :mix_test_interactive, "5.1.0", "a2edd66806f06f6a0dbb92f023126a7e4ecdf02f7d34e3bb16f76886b79bed43", [:mix], [{:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:process_tree, ">= 0.1.3", [hex: :process_tree, repo: "hexpm", optional: false]}, {:typed_struct, "~> 0.3.0", [hex: :typed_struct, repo: "hexpm", optional: false]}], "hexpm", "0df8ab74c176040acd78939e92a5328775bf9f414a0f0472372cce852ee548cf"},
   "mox": {:hex, :mox, "1.1.0", "0f5e399649ce9ab7602f72e718305c0f9cdc351190f72844599545e4996af73c", [:mix], [], "hexpm", "d44474c50be02d5b72131070281a5d3895c0e7a95c780e90bc0cfe712f633a13"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.4.0", "51f9b613ea62cfa97b25ccc2c1b4216e81df970acd8e16e8d1bdc58fef21370d", [:mix], [], "hexpm", "9c565862810fb383e9838c1dd2d7d2c437b3d13b267414ba6af33e50d2d1cf28"},
-  "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},
+  "parse_trans": {:hex, :parse_trans, "3.4.2", "c352ddc1a0d5e54f9b1654d45f9c432eef76f9cea371c55ddff769ef688fdb74", [:rebar3], [], "hexpm", "4c25347de3b7c35732d32e69ab43d1ceee0beae3f3b3ade1b59cbd3dd224d9ca"},
+  "process_tree": {:hex, :process_tree, "0.3.0", "0eb58ec68f3d22a4f36040b0374469464c95fae5465c011b55bea01649b0bd70", [:mix], [], "hexpm", "6cb3b7be9c7d74b28a9f6e0f03115d5953e6bbda44be2b6fd9e667020870eb86"},
+  "quic": {:hex, :quic, "1.6.5", "28b7d49c1732b2de3861701bb03ae7798537240552370ac49f0d139d2ea8f621", [:rebar3], [], "hexpm", "de1a88972c33201a50d1a17c8c4a14528bd1d8f25ef705897d680ae312d0aa78"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "styler": {:hex, :styler, "0.11.9", "2595393b94e660cd6e8b582876337cc50ff047d184ccbed42fdad2bfd5d78af5", [:mix], [], "hexpm", "8b7806ba1fdc94d0a75127c56875f91db89b75117fcc67572661010c13e1f259"},
   "typed_struct": {:hex, :typed_struct, "0.3.0", "939789e3c1dca39d7170c87f729127469d1315dcf99fee8e152bb774b17e7ff7", [:mix], [], "hexpm", "c50bd5c3a61fe4e198a8504f939be3d3c85903b382bde4865579bc23111d1b6d"},
   "tz": {:hex, :tz, "0.26.6", "4d46178dd5bc4d2c1e78c9affcc3fd46764e29cd2a148c06666edb83cb18629f", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:mint, "~> 1.6", [hex: :mint, repo: "hexpm", optional: true]}], "hexpm", "9ca97ea48b412f2404740867f6c321ee8ce112602035bb79b0b90c9c03174652"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.1", "a48703a25c170eedadca83b11e88985af08d35f37c6f664d6dcfb106a97782fc", [:rebar3], [], "hexpm", "b3a917854ce3ae233619744ad1e0102e05673136776fb2fa76234f3e03b23642"},
+  "webtransport": {:hex, :webtransport, "0.4.1", "60ef6cd99282b5964c8172d674519239e31e357d934bde028bec70da34636fe5", [:rebar3], [{:h2, "~> 0.10.1", [hex: :h2, repo: "hexpm", optional: false]}, {:quic, "~> 1.6.5", [hex: :quic, repo: "hexpm", optional: false]}], "hexpm", "006e4e52a8f03b69201d4637c85b424a4ddccc1909f32c5742fed8d495a75174"},
 }
diff --git a/test/config_cat/cache_test.exs b/test/config_cat/cache_test.exs
index ee6770a2..37bdcc62 100644
--- a/test/config_cat/cache_test.exs
+++ b/test/config_cat/cache_test.exs
@@ -18,9 +18,12 @@ defmodule ConfigCat.CacheTest do
           {"configcat-sdk-1/TEST_KEY-0123456789012/1234567890123456789012", "f83ba5d45bceb4bb704410f51b704fb6dfa19942"},
           {"configcat-sdk-1/TEST_KEY2-123456789012/1234567890123456789012", "da7bfd8662209c8ed3f9db96daed4f8d91ba5876"}
         ] do
-      test "generates platform-independent cache keys - #{sdk_key}" do
-        sdk_key = unquote(sdk_key)
-        expected_cache_key = unquote(expected_cache_key)
+      @tag expected_cache_key: expected_cache_key,
+           sdk_key: sdk_key
+      test "generates platform-independent cache keys - #{sdk_key}", %{
+        expected_cache_key: expected_cache_key,
+        sdk_key: sdk_key
+      } do
         assert Cache.generate_key(sdk_key) == expected_cache_key
       end
     end
diff --git a/test/config_cat_test.exs b/test/config_cat_test.exs
index 4503312e..a869c85e 100644
--- a/test/config_cat_test.exs
+++ b/test/config_cat_test.exs
@@ -169,13 +169,20 @@ defmodule ConfigCatTest do
           {"testBoolKey", nil, 0.1, true, true},
           {"testBoolKey", nil, "default", true, true}
         ] do
+      @tag default_value: default_value,
+           expected_value: expected_value,
+           key: key,
+           user_id: user_id,
+           warning?: warning?
       test "default value and setting type mismatch with key: #{key} user_id: #{user_id} default_value: #{default_value}",
-           %{client: client} do
-        key = unquote(key)
-        user_id = unquote(user_id)
-        default_value = unquote(default_value)
-        expected_value = unquote(expected_value)
-        warning? = unquote(warning?)
+           %{
+             client: client,
+             default_value: default_value,
+             expected_value: expected_value,
+             key: key,
+             user_id: user_id,
+             warning?: warning?
+           } do
         user = if user_id, do: User.new(user_id)
 
         logs =
diff --git a/test/flag_override_test.exs b/test/flag_override_test.exs
index c93affa8..bce0c8db 100644
--- a/test/flag_override_test.exs
+++ b/test/flag_override_test.exs
@@ -176,18 +176,24 @@ defmodule ConfigCat.FlagOverrideTest do
         {"stringDependsOnInt", "2", "john@notsensitivecompany.com", :local_over_remote, "Dog"},
         {"stringDependsOnInt", "2", "john@notsensitivecompany.com", :local_only, nil}
       ] do
-    test "prerequisite flag override with key: #{key} user_id: #{user_id} email: #{email} override behaviour: #{inspect(override_behaviour)}" do
+    @tag email: email,
+         expected_value: expected_value,
+         key: key,
+         override_behaviour: override_behaviour,
+         user_id: user_id
+    test "prerequisite flag override with key: #{key} user_id: #{user_id} email: #{email} override behaviour: #{inspect(override_behaviour)}",
+         %{
+           email: email,
+           expected_value: expected_value,
+           key: key,
+           override_behaviour: override_behaviour,
+           user_id: user_id
+         } do
       # The flag override alters the definition of the following flags:
       # * 'mainStringFlag': to check the case where a prerequisite flag is
       #   overridden (dependent flag: 'stringDependsOnString')
       # * 'stringDependsOnInt': to check the case where a dependent flag is
       #   overridden (prerequisite flag: 'mainIntFlag')
-      key = unquote(key)
-      user_id = unquote(user_id)
-      email = unquote(email)
-      override_behaviour = unquote(override_behaviour)
-      expected_value = unquote(expected_value)
-
       user = User.new(user_id, email: email)
 
       overrides =
@@ -214,17 +220,23 @@ defmodule ConfigCat.FlagOverrideTest do
         {"notDeveloperAndNotBetaUserSegment", "2", "kate@example.com", :local_over_remote, true},
         {"notDeveloperAndNotBetaUserSegment", "2", "kate@example.com", :local_only, nil}
       ] do
-    test "salt/segment override with key: #{key} user_id: #{user_id} email: #{email} override behaviour: #{inspect(override_behaviour)}" do
+    @tag email: email,
+         expected_value: expected_value,
+         key: key,
+         override_behaviour: override_behaviour,
+         user_id: user_id
+    test "salt/segment override with key: #{key} user_id: #{user_id} email: #{email} override behaviour: #{inspect(override_behaviour)}",
+         %{
+           email: email,
+           expected_value: expected_value,
+           key: key,
+           override_behaviour: override_behaviour,
+           user_id: user_id
+         } do
       # The flag override uses a different config json salt than the downloaded one and
       # overrides the following segments:
       # * "Beta Users": User.Email IS ONE OF ["jane@example.com"]
       # * "Developers": User.Email IS ONE OF ["john@example.com"]
-      key = unquote(key)
-      user_id = unquote(user_id)
-      email = unquote(email)
-      override_behaviour = unquote(override_behaviour)
-      expected_value = unquote(expected_value)
-
       user = User.new(user_id, email: email)
 
       overrides =
diff --git a/test/integration_test.exs b/test/integration_test.exs
index 44d5d3d3..a7124fd7 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -45,10 +45,14 @@ defmodule ConfigCat.IntegrationTest do
           {"configcat-proxy/sdk-key-90123456789012", false, false},
           {"configcat-proxy/sdk-key-90123456789012", true, true}
         ] do
-      test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}" do
-        sdk_key = unquote(sdk_key)
-        custom_base_url? = unquote(custom_base_url?)
-        valid? = unquote(valid?)
+      @tag custom_base_url?: custom_base_url?,
+           sdk_key: sdk_key,
+           valid?: valid?
+      test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}", %{
+        custom_base_url?: custom_base_url?,
+        sdk_key: sdk_key,
+        valid?: valid?
+      } do
         options = if custom_base_url?, do: [base_url: "https://my-configcat-proxy"], else: []
 
         if valid? do
diff --git a/test/rollout_test.exs b/test/rollout_test.exs
index 1b6280aa..200dabba 100644
--- a/test/rollout_test.exs
+++ b/test/rollout_test.exs
@@ -180,15 +180,23 @@ defmodule ConfigCat.RolloutTest do
         {"12345", "b@configcat.com", "", "Falcon", false, true},
         {"12345", "b@configcat.com", "US", "Spider", false, true}
       ] do
-    test "matched evaluation rule and percentage option with user_id: #{inspect(user_id)} email: #{inspect(email)} percentage_base: #{inspect(percentage_base)}" do
+    @tag email: email,
+         expected_matched_percentage_option: expected_matched_percentage_option,
+         expected_matched_targeting_rule: expected_matched_targeting_rule,
+         expected_return_value: expected_return_value,
+         percentage_base: percentage_base,
+         user_id: user_id
+    test "matched evaluation rule and percentage option with user_id: #{inspect(user_id)} email: #{inspect(email)} percentage_base: #{inspect(percentage_base)}",
+         %{
+           email: email,
+           expected_matched_percentage_option: expected_matched_percentage_option,
+           expected_matched_targeting_rule: expected_matched_targeting_rule,
+           expected_return_value: expected_return_value,
+           percentage_base: percentage_base,
+           user_id: user_id
+         } do
       sdk_key = "configcat-sdk-1/JcPbCGl_1E-K9M-fJOyKyQ/P4e3fAz_1ky2-Zg2e4cbkw"
       key = "stringMatchedTargetingRuleAndOrPercentageOption"
-      user_id = unquote(user_id)
-      email = unquote(email)
-      percentage_base = unquote(percentage_base)
-      expected_return_value = unquote(expected_return_value)
-      expected_matched_targeting_rule = unquote(expected_matched_targeting_rule)
-      expected_matched_percentage_option = unquote(expected_matched_percentage_option)
 
       {:ok, client} = start_config_cat(sdk_key)
 
@@ -330,13 +338,18 @@ defmodule ConfigCat.RolloutTest do
         {"configcat-sdk-1/JcPbCGl_1E-K9M-fJOyKyQ/OfQqcTjfFUGBwMKqtyEOrQ", "stringArrayContainsAnyOfDogDefaultCat",
          "x, read", "Cat"}
       ] do
-    test "attribute value conversion with key: '#{key}' value: '#{inspect(custom_attribute_value)}" do
-      sdk_key = unquote(sdk_key)
-      key = unquote(key)
+    @tag custom_attribute_value: custom_attribute_value,
+         expected_return_value: expected_return_value,
+         key: key,
+         sdk_key: sdk_key
+    test "attribute value conversion with key: '#{key}' value: '#{inspect(custom_attribute_value)}", %{
+      custom_attribute_value: custom_attribute_value,
+      expected_return_value: expected_return_value,
+      key: key,
+      sdk_key: sdk_key
+    } do
       user_id = "12345"
       custom_attribute_name = "Custom1"
-      custom_attribute_value = unquote(Macro.escape(custom_attribute_value))
-      expected_return_value = unquote(expected_return_value)
 
       {:ok, client} = start_config_cat(sdk_key)
 
@@ -352,10 +365,12 @@ defmodule ConfigCat.RolloutTest do
         {"key2", "'key2' -> 'key3' -> 'key2'"},
         {"key4", "'key4' -> 'key3' -> 'key2' -> 'key3'"}
       ] do
-    test "prerequisite flag circular dependency for key: #{key}" do
-      key = unquote(key)
-      dependency_cycle = unquote(dependency_cycle)
-
+    @tag dependency_cycle: dependency_cycle,
+         key: key
+    test "prerequisite flag circular dependency for key: #{key}", %{
+      dependency_cycle: dependency_cycle,
+      key: key
+    } do
       config =
         "test_circulardependency_v6.json"
         |> fixture_file()
@@ -403,14 +418,21 @@ defmodule ConfigCat.RolloutTest do
         {"stringDependsOnDouble", "float()", "mainDoubleFlag", [0.1], nil},
         {"stringDependsOnDouble", "float()", "mainDoubleFlag", nil, nil}
       ] do
-    test "prerequisite flag value type mismatch with key: #{key} type: #{comparison_value_type} flag_key: #{prerequisite_flag_key} value: #{inspect(prerequisite_flag_value)}" do
+    @tag comparison_value_type: comparison_value_type,
+         expected_value: expected_value,
+         key: key,
+         prerequisite_flag_key: prerequisite_flag_key,
+         prerequisite_flag_value: prerequisite_flag_value
+    test "prerequisite flag value type mismatch with key: #{key} type: #{comparison_value_type} flag_key: #{prerequisite_flag_key} value: #{inspect(prerequisite_flag_value)}",
+         %{
+           comparison_value_type: _comparison_value_type,
+           expected_value: expected_value,
+           key: key,
+           prerequisite_flag_key: prerequisite_flag_key,
+           prerequisite_flag_value: prerequisite_flag_value
+         } do
       sdk_key = "configcat-sdk-1/JcPbCGl_1E-K9M-fJOyKyQ/JoGwdqJZQ0K2xDy7LnbyOg"
-      key = unquote(key)
-      flag_key = unquote(prerequisite_flag_key)
-      flag_value = unquote(prerequisite_flag_value)
-      expected_value = unquote(expected_value)
-
-      flag_overrides = LocalMapDataSource.new(%{flag_key => flag_value}, :local_over_remote)
+      flag_overrides = LocalMapDataSource.new(%{prerequisite_flag_key => prerequisite_flag_value}, :local_over_remote)
 
       {:ok, client} = start_config_cat(sdk_key, flag_overrides: flag_overrides)
 
@@ -421,7 +443,7 @@ defmodule ConfigCat.RolloutTest do
 
       unless expected_value do
         expected_message =
-          ~r/Type mismatch between comparison value '[^']+' and prerequisite flag '#{flag_key}'/
+          ~r/Type mismatch between comparison value '[^']+' and prerequisite flag '#{prerequisite_flag_key}'/
 
         assert logs =~ expected_message
       end
@@ -446,11 +468,15 @@ defmodule ConfigCat.RolloutTest do
         {"stringArrayToStringConversionSpecialChars", ["+<>%\"'\\/\t\r\n"], "3"},
         {"stringArrayToStringConversionUnicode", ["äöüÄÖÜçéèñışğ⢙✓😀"], "2"}
       ] do
-    test "comparison attribute conversion to canonical string representation - key: #{key} | custom_attribute_value: #{custom_attribute_value}" do
-      key = unquote(key)
-      custom_attribute_value = unquote(Macro.escape(custom_attribute_value))
-      expected_return_value = unquote(expected_return_value)
-
+    @tag custom_attribute_value: custom_attribute_value,
+         expected_return_value: expected_return_value,
+         key: key
+    test "comparison attribute conversion to canonical string representation - key: #{key} | custom_attribute_value: #{custom_attribute_value}",
+         %{
+           custom_attribute_value: custom_attribute_value,
+           expected_return_value: expected_return_value,
+           key: key
+         } do
       config =
         "comparison_attribute_conversion.json"
         |> fixture_file()
@@ -506,10 +532,12 @@ defmodule ConfigCat.RolloutTest do
         {"containsanyof", "no trim"},
         {"notcontainsanyof", "no trim"}
       ] do
-    test "comparison attribute trimming - key: #{key}" do
-      key = unquote(key)
-      expected_return_value = unquote(expected_return_value)
-
+    @tag expected_return_value: expected_return_value,
+         key: key
+    test "comparison attribute trimming - key: #{key}", %{
+      expected_return_value: expected_return_value,
+      key: key
+    } do
       config =
         "comparison_attribute_trimming.json"
         |> fixture_file()
@@ -561,10 +589,12 @@ defmodule ConfigCat.RolloutTest do
         {"semvergreater", "8 trim"},
         {"semvergreaterequals", "9 trim"}
       ] do
-    test "comparison value trimming - key: #{key}" do
-      key = unquote(key)
-      expected_return_value = unquote(expected_return_value)
-
+    @tag expected_return_value: expected_return_value,
+         key: key
+    test "comparison value trimming - key: #{key}", %{
+      expected_return_value: expected_return_value,
+      key: key
+    } do
       config =
         "comparison_value_trimming.json"
         |> fixture_file()