diff --git a/.github/workflows/grunt.yml b/.github/workflows/grunt.yml
index 0eecf65..74807b0 100644
--- a/.github/workflows/grunt.yml
+++ b/.github/workflows/grunt.yml
@@ -11,7 +11,7 @@ jobs:
         node: [16]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index fe2f749..de452c7 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -11,5 +11,5 @@ jobs:
   pdd:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - uses: g4s8/pdd-action@master