diff --git a/poetry.lock b/poetry.lock
index fd193b8c..dc2c4c35 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "aiocoap"
@@ -239,7 +239,7 @@ description = "Timeout context manager for asyncio programs"
 optional = false
 python-versions = ">=3.8"
 groups = ["main", "dev"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "async_timeout-5.0.1-py3-none-any.whl", hash = "sha256:39e3809566ff85354557ec2398b55e096c8364bacac9405a7a1fa429e77fe76c"},
     {file = "async_timeout-5.0.1.tar.gz", hash = "sha256:d9321a7a3d5a6a5e187e824d2fa0793ce379a202935782d555d6e9d2735677d3"},
@@ -766,7 +766,7 @@ description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
 groups = ["dev"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b"},
     {file = "exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc"},
@@ -1659,14 +1659,14 @@ testing = ["process-tests", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "pyupgrade"
-version = "3.20.0"
+version = "3.21.2"
 description = "A tool to automatically upgrade syntax for newer versions."
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "pyupgrade-3.20.0-py2.py3-none-any.whl", hash = "sha256:cd5bf842b863f50adad324a01c30aef60b9f698a9814848094818659c92cd1f4"},
-    {file = "pyupgrade-3.20.0.tar.gz", hash = "sha256:dd6a16c13fc1a7db45796008689a9a35420bd364d681430f640c5e54a3d351ea"},
+    {file = "pyupgrade-3.21.2-py2.py3-none-any.whl", hash = "sha256:2ac7b95cbd176475041e4dfe8ef81298bd4654a244f957167bd68af37d52be9f"},
+    {file = "pyupgrade-3.21.2.tar.gz", hash = "sha256:1a361bea39deda78d1460f65d9dd548d3a36ff8171d2482298539b9dc11c9c06"},
 ]
 
 [package.dependencies]
@@ -1720,7 +1720,7 @@ description = "A lil' TOML parser"
 optional = false
 python-versions = ">=3.8"
 groups = ["dev"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "tomli-2.2.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:678e4fa69e4575eb77d103de3df8a895e1591b48e740211bd1067378c69e8249"},
     {file = "tomli-2.2.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:023aa114dd824ade0100497eb2318602af309e5a55595f76b626d6d9f3b7b0a6"},
@@ -1779,7 +1779,7 @@ files = [
     {file = "typing_extensions-4.15.0-py3-none-any.whl", hash = "sha256:f0fa19c6845758ab08074a0cfa8b7aecb71c999ca73d62883bc25cc018c4e548"},
     {file = "typing_extensions-4.15.0.tar.gz", hash = "sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466"},
 ]
-markers = {main = "platform_system == \"Windows\" or python_version <= \"3.11\""}
+markers = {main = "platform_system == \"Windows\" or python_version < \"3.12\""}
 
 [[package]]
 name = "uart-devices"
@@ -2313,4 +2313,4 @@ ifaddr = ">=0.1.7"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10,<3.15"
-content-hash = "9662890b3d3ba29499eb9d41f90cc7aeb5c81aab3f078286efe41cdab393a0e3"
+content-hash = "0e59530be53dba74f3f008e80b5db17ce3dd1ba35a6d579cb6abfa8c13bfbe36"
diff --git a/pyproject.toml b/pyproject.toml
index 2eacb715..0ad6de06 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ pytest = ">=7.2,<9.0"
 coverage = ">=6.3,<8.0"
 pylint = ">=2.12.2,<4.0.0"
 pytest-aiohttp = "^1.0.3"
-pyupgrade = ">=2.31,<4.0"
+pyupgrade = ">=3.21.2,<4.0"
 pytest-cov = ">=5,<8"
 asynctest = "^0.13.0"
 aiohttp = ">=3.8.3"