diff --git a/.github/workflows/release-tags.yml b/.github/workflows/release-tags.yml
index 0e8706e..6e81b65 100644
--- a/.github/workflows/release-tags.yml
+++ b/.github/workflows/release-tags.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/validate-release-pr.yml b/.github/workflows/validate-release-pr.yml
index 4716bbd..9b07c8d 100644
--- a/.github/workflows/validate-release-pr.yml
+++ b/.github/workflows/validate-release-pr.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           fetch-depth: 0