diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e67497d..51219b1 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       - uses: actions/configure-pages@v6
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
diff --git a/.github/workflows/prek.yaml b/.github/workflows/prek.yaml
index c198591..52076b6 100644
--- a/.github/workflows/prek.yaml
+++ b/.github/workflows/prek.yaml
@@ -5,5 +5,5 @@ jobs:
   prek:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
       - uses: j178/prek-action@v2
diff --git a/.github/workflows/python-release.yaml b/.github/workflows/python-release.yaml
index c90d228..f0cd749 100644
--- a/.github/workflows/python-release.yaml
+++ b/.github/workflows/python-release.yaml
@@ -16,7 +16,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
diff --git a/.github/workflows/python-test.yaml b/.github/workflows/python-test.yaml
index fb49683..6696384 100644
--- a/.github/workflows/python-test.yaml
+++ b/.github/workflows/python-test.yaml
@@ -22,7 +22,7 @@ jobs:
           - "3.14"
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
@@ -63,7 +63,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0