diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 2036fdb..1e19d99 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -17,8 +17,8 @@ jobs:
           - "3.13"
           - "3.12"
     steps:
-      - uses: actions/checkout@v7
-      - uses: jdx/mise-action@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
         with:
           tool_versions: |
             python ${{ matrix.python-version }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index dcf9344..04eedcd 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,8 +10,8 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
-      - uses: jdx/mise-action@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: jdx/mise-action@c2a87611a18de5b3828c5652fe268e992400cb5c # v4.3.0
       - name: Configure Git Credentials
         run: |
           git config user.name github-actions[bot]