diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1096181..1ba5f7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Set up Python
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
       - name: Install dependencies
         run: pip install mypy
       - name: Run mypy
@@ -37,7 +37,7 @@
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install test dependencies
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8b57355..f1201e1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Python
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
 
       - name: Install build dependencies
         run: python -m pip install build