diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index bd74787..df78eb0 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -20,7 +20,7 @@ jobs:
 
     strategy:
       matrix:
-        os: ['ubuntu-22.04', 'windows-2019']
+        os: ['ubuntu-22.04', 'windows-2022']
       fail-fast: false
 
     steps:
diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 0a08672..7ef4422 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -18,8 +18,8 @@ permissions:
 
 jobs:
   tests:
-    name: "windows-2019 / Python ${{ matrix.config.python-version }}"
-    runs-on: "windows-2019"
+    name: "windows-2022 / Python ${{ matrix.config.python-version }}"
+    runs-on: "windows-2022"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
       USING_COVERAGE: '3.7,3.8,3.9,3.10,3.11,3.12,3.13'
diff --git a/tox.ini b/tox.ini
index bfabf1a..bbfaee7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,6 @@ download = True
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
-    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py312]
 download = True