diff --git a/.github/workflows/cdk_package_code.yml b/.github/workflows/cdk_package_code.yml
index 8dc12cf4..96a15458 100644
--- a/.github/workflows/cdk_package_code.yml
+++ b/.github/workflows/cdk_package_code.yml
@@ -12,7 +12,7 @@ jobs:
       packages: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           ref: ${{ env.BRANCH_NAME }}
 
diff --git a/.github/workflows/cdk_release_code.yml b/.github/workflows/cdk_release_code.yml
index 683e0d55..857149a0 100644
--- a/.github/workflows/cdk_release_code.yml
+++ b/.github/workflows/cdk_release_code.yml
@@ -63,7 +63,7 @@ jobs:
 
     steps:
       - name: Checkout local github actions
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           ref: ${{ env.BRANCH_NAME }}
           fetch-depth: 0
@@ -196,7 +196,7 @@ jobs:
 
       - name: Checkout gh-pages
         if: ${{ !startsWith(inputs.STACK_NAME, 'lambda-resources-pr-') }}
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.1
         with:
           ref: gh-pages
           path: gh-pages
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abb9f14d..f703166b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
 
       - name: Get asdf version
         id: asdf-version
diff --git a/.github/workflows/delete_old_cloudformation_stacks.yml b/.github/workflows/delete_old_cloudformation_stacks.yml
index ae04b693..1db31f15 100644
--- a/.github/workflows/delete_old_cloudformation_stacks.yml
+++ b/.github/workflows/delete_old_cloudformation_stacks.yml
@@ -19,7 +19,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Checkout local github scripts
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           ref: ${{ env.BRANCH_NAME }}
           sparse-checkout: |
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index cd8fc4b5..7e2058f6 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -20,7 +20,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
 
       - name: Get asdf version
         id: asdf-version
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 22e3e831..37ad52bc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
       tag_format: ${{ steps.load-config.outputs.TAG_FORMAT }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
 
       - name: Get asdf version
         id: asdf-version