diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 566f06d..1459d4b 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -32,9 +32,9 @@ jobs:
           persist-credentials: false
       - name: Remove ignored paths
         run: find . -name .lint-ignore | xargs dirname | xargs rm -rf
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
           architecture: x64
       - name: Install flake8 and plugins
         run: pip install --disable-pip-version-check flake8-black==0.3.5 flake8-isort==5.0.3
@@ -91,12 +91,12 @@ jobs:
           persist-credentials: false
       - name: Remove ignored paths
         run: find . -name .lint-ignore | xargs dirname | xargs rm -rf
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
           architecture: x64
       - name: Install mypy
-        run: pip install --disable-pip-version-check mypy==0.950
+        run: pip install --disable-pip-version-check mypy==1.11.0
       - name: Run mypy
         id: check
         continue-on-error: ${{ inputs.continue-on-error }}
diff --git a/mypy.ini b/mypy.ini
index 33b498c..328467b 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,7 +1,7 @@
 [mypy]
 ignore_missing_imports = True
 implicit_reexport = True
-python_version = 3.9
+python_version = 3.10
 show_column_numbers = True
 show_error_codes = True
 strict = True