diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index 74bd0c5a..7c9661c6 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -20,7 +20,7 @@ jobs:
       uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
     - name: Setup Python
-      uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
+      uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
       with:
         python-version: ${{ matrix.python }}
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index cc896b6d..c8df3207 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ jobs:
 
     - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
     - name: Setup Python
-      uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
+      uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
     - name: Install tox
       run: python -m pip install tox
     - name: Lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d52aa01d..6c151db3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           ref: ${{ github.event.release.tag_name }}
       - name: Install Python
-        uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
+        uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
       - name: Install build dependencies
         run: python -m pip install -U setuptools build wheel
       - name: Build distributions
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 669e0d6a..68c19e6d 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
     - name: Use Python ${{ matrix.python }}
-      uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
+      uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
       with:
         python-version: ${{ matrix.python }}
     - name: Install tox