diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 66c2718..6c9b4d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ['3.9', '3.10', '3.11', '3.12']
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - run: pip install -e ".[dev]"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 28a11ca..eaf8d57 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
       - run: pip install build
diff --git a/action.yml b/action.yml
index 2efd998..01d0b98 100644
--- a/action.yml
+++ b/action.yml
@@ -48,7 +48,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ inputs.python-version }}
     # Inputs are passed via env (NOT interpolated into the script body) to avoid