diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 66912e6..c0e61a6 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # checkout
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
 
       # setup taskfile
       - uses: arduino/setup-task@v1
diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index d0ec0c9..ae54228 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -24,7 +24,7 @@ jobs:
           echo "::set-output name=image::${REPOSITORY//docker-/}"
 
       # checkout
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
 
       # setup node
       - uses: actions/setup-node@v3.8.1
@@ -120,7 +120,7 @@ jobs:
           REPOSITORY: ${{ github.repository }}
 
       # checkout
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
 
       # scan image
       - uses: crazy-max/ghaction-container-scan@v3
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index f95aac3..50b9da1 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # checkout
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
 
       # sync labels
       - uses: crazy-max/ghaction-github-labeler@v5