diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92d5d69..648c9b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.1] - 2026-07-12
+
+### Changed
+
+- Refresh the development dependency lockfile for reproducible release verification.
+
 ## [0.4.0] - 2026-07-11
 
 ### Added
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..b60620e
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,153 @@
+PATH
+  remote: .
+  specs:
+    rubric_llm (0.4.1)
+      csv
+      ruby_llm (~> 1.16)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.3)
+    base64 (0.3.0)
+    csv (3.3.5)
+    drb (2.2.3)
+    erb (6.0.4)
+    event_stream_parser (1.0.0)
+    faraday (2.14.3)
+      faraday-net_http (>= 2.0, < 3.5)
+      json
+      logger
+    faraday-multipart (1.2.0)
+      multipart-post (~> 2.0)
+    faraday-net_http (3.4.4)
+      net-http (~> 0.5)
+    faraday-retry (2.4.0)
+      faraday (~> 2.0)
+    json (2.21.0)
+    language_server-protocol (3.17.0.6)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    marcel (1.2.1)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
+    multipart-post (2.4.1)
+    net-http (0.9.1)
+      uri (>= 0.11.1)
+    parallel (2.1.0)
+    parser (3.3.11.1)
+      ast (~> 2.4.1)
+      racc
+    prism (1.9.0)
+    racc (1.8.1)
+    rainbow (3.1.1)
+    rake (13.4.2)
+    rbs (4.0.3)
+      logger
+      prism (>= 1.6.0)
+      tsort
+    rdoc (8.0.0)
+      erb
+      prism (>= 1.6.0)
+      rbs (>= 4.0.0)
+      tsort
+    redcarpet (3.6.1)
+    regexp_parser (2.12.0)
+    rubocop (1.88.2)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (>= 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.50.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-minitest (0.39.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    ruby-progressbar (1.13.0)
+    ruby_llm (1.16.0)
+      base64
+      event_stream_parser (~> 1)
+      faraday (>= 1.10.0)
+      faraday-multipart (>= 1)
+      faraday-net_http (>= 1)
+      faraday-retry (>= 1)
+      marcel (~> 1)
+      ruby_llm-schema (~> 0)
+      zeitwerk (~> 2)
+    ruby_llm-schema (0.4.0)
+    tsort (0.2.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    uri (1.1.1)
+    yard (0.9.44)
+    zeitwerk (2.8.2)
+
+PLATFORMS
+  ruby
+  x86_64-linux
+
+DEPENDENCIES
+  minitest
+  rake
+  rdoc
+  redcarpet
+  rubocop
+  rubocop-minitest
+  rubric_llm!
+  yard
+
+CHECKSUMS
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  csv (3.3.5) sha256=6e5134ac3383ef728b7f02725d9872934f523cb40b961479f69cf3afa6c8e73f
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  erb (6.0.4) sha256=38e3803694be357fe2bfe312487c74beaf9fb4e5beb3e22498952fe1645b95d9
+  event_stream_parser (1.0.0) sha256=a2683bab70126286f8184dc88f7968ffc4028f813161fb073ec90d171f7de3c8
+  faraday (2.14.3) sha256=1882247e6766615c8220b4392bf1d27f6ebb63d8e28267587cef1fb0bf37f278
+  faraday-multipart (1.2.0) sha256=7d89a949693714176f612323ca13746a2ded204031a6ba528adee788694ef757
+  faraday-net_http (3.4.4) sha256=0e78af151747ed1b00f33e25973b4bc220d7f16c00c39676817c8b12331eb588
+  faraday-retry (2.4.0) sha256=7b79c48fb7e56526faf247b12d94a680071ff40c9fda7cf1ec1549439ad11ebe
+  json (2.21.0) sha256=8de199e53f93450414b9fd49811012a73f3e3265b60468c7274d1cacebde1969
+  language_server-protocol (3.17.0.6) sha256=5ef2c0c138f8267e1bc631d3328347d354f96724b0af22f2c79516120443b7f0
+  lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
+  logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
+  marcel (1.2.1) sha256=1678e9360e32f9eafa917c80029e2f6d10b2715c66a4b87b6d0da9b9cd1f859f
+  minitest (6.0.6) sha256=153ea36d1d987a62942382b61075745042a2b3123b1cd48f4c3675af9cc7d6f1
+  multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
+  net-http (0.9.1) sha256=25ba0b67c63e89df626ed8fac771d0ad24ad151a858af2cc8e6a716ca4336996
+  parallel (2.1.0) sha256=b35258865c2e31134c5ecb708beaaf6772adf9d5efae28e93e99260877b09356
+  parser (3.3.11.1) sha256=d17ace7aabe3e72c3cc94043714be27cc6f852f104d81aa284c2281aecc65d54
+  prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85
+  racc (1.8.1) sha256=4a7f6929691dbec8b5209a0b373bc2614882b55fc5d2e447a21aaa691303d62f
+  rainbow (3.1.1) sha256=039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a
+  rake (13.4.2) sha256=cb825b2bd5f1f8e91ca37bddb4b9aaf345551b4731da62949be002fa89283701
+  rbs (4.0.3) sha256=5a7bf70e2628549d9a1f44eae447b2cfe55968a9c60cfff52693a4bdcc020e14
+  rdoc (8.0.0) sha256=03bf8c08a9639658855a0cfd77c0abca8325c227693f7f33f82957811348c469
+  redcarpet (3.6.1) sha256=d444910e6aa55480c6bcdc0cdb057626e8a32c054c29e793fa642ba2f155f445
+  regexp_parser (2.12.0) sha256=35a916a1d63190ab5c9009457136ae5f3c0c7512d60291d0d1378ba18ce08ebb
+  rubocop (1.88.2) sha256=8def251c90cd955feb4daa3edc0ab56893250c4ce90ef81e6c80c03f9a939bbf
+  rubocop-ast (1.50.0) sha256=b9ca88300da0803ee222ad20cdb30494c0a784eed06fdc35d254b06d662788db
+  rubocop-minitest (0.39.1) sha256=998398d6da4026d297f0f9bf709a1eac5f2b6947c24431f94af08138510cf7ed
+  rubric_llm (0.4.1)
+  ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
+  ruby_llm (1.16.0) sha256=26bd5310cf2ce55f74a60f8aae0b0d0327b586ff4532c84828103c3b2b905a18
+  ruby_llm-schema (0.4.0) sha256=e930f5a5316f9301bff3fb7fe572e44727d05bb8e50621001bbb49a47d63b8da
+  tsort (0.2.0) sha256=9650a793f6859a43b6641671278f79cfead60ac714148aabe4e3f0060480089f
+  unicode-display_width (3.2.0) sha256=0cdd96b5681a5949cdbc2c55e7b420facae74c4aaf9a9815eee1087cb1853c42
+  unicode-emoji (4.2.0) sha256=519e69150f75652e40bf736106cfbc8f0f73aa3fb6a65afe62fefa7f80b0f80f
+  uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
+  yard (0.9.44) sha256=eb087e9b631ccd887b049f303d489963945452d5e2a7eb49a5a74a7cf6887f28
+  zeitwerk (2.8.2) sha256=7212a61311083c604184b1ea2574b9aa05cd14f855a0841c06985cabe9181d12
+
+BUNDLED WITH
+  4.0.3
diff --git a/lib/rubric_llm/version.rb b/lib/rubric_llm/version.rb
index 7f3eede..0c530a3 100644
--- a/lib/rubric_llm/version.rb
+++ b/lib/rubric_llm/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RubricLLM
-  VERSION = "0.4.0"
+  VERSION = "0.4.1"
 end