diff --git a/.github/workflows/pr-linter.yml b/.github/workflows/pr-linter.yml
index d88d64d89537d..56e28fd3105c5 100644
--- a/.github/workflows/pr-linter.yml
+++ b/.github/workflows/pr-linter.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Install & Build prlint
         run: cd tools/@aws-cdk/prlint && yarn install --frozen-lockfile && yarn build+test
diff --git a/.github/workflows/v2-pull-request.yml b/.github/workflows/v2-pull-request.yml
index 351ee2c8c427f..8c7de7764283a 100644
--- a/.github/workflows/v2-pull-request.yml
+++ b/.github/workflows/v2-pull-request.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         with:
           branch: ${{ github.event.pull_request.head.ref }}
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/yarn-upgrade.yml b/.github/workflows/yarn-upgrade.yml
index 2b5737a13ec1b..d43902fa8424a 100644
--- a/.github/workflows/yarn-upgrade.yml
+++ b/.github/workflows/yarn-upgrade.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
 
       - name: Check Out
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Set up Node
         uses: actions/setup-node@v2.4.0
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check Out
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Download patch
         uses: actions/download-artifact@v2