diff --git a/.github/workflows/cleanup-staging.yml b/.github/workflows/cleanup-staging.yml
index 423e73894f..79078bbefc 100644
--- a/.github/workflows/cleanup-staging.yml
+++ b/.github/workflows/cleanup-staging.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Setup GCloud
         uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
diff --git a/.github/workflows/gatsby.yml b/.github/workflows/gatsby.yml
index 503a2d8ea2..28bdfe9ed7 100644
--- a/.github/workflows/gatsby.yml
+++ b/.github/workflows/gatsby.yml
@@ -6,7 +6,7 @@ jobs:
   test-ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - uses: actions/cache@v2.1.2
         with:
diff --git a/.github/workflows/generate-preview.yml b/.github/workflows/generate-preview.yml
index c316b89f49..be96f177d7 100644
--- a/.github/workflows/generate-preview.yml
+++ b/.github/workflows/generate-preview.yml
@@ -10,7 +10,7 @@ jobs:
     if: github.event.label.name == 'create-preview'
     steps:
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5225946ed4..6f29ac764d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ jobs:
   test-ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - uses: actions/setup-node@v2.1.2
 
diff --git a/.github/workflows/upload-to-staging.yml b/.github/workflows/upload-to-staging.yml
index 633699c564..d74b8e208b 100644
--- a/.github/workflows/upload-to-staging.yml
+++ b/.github/workflows/upload-to-staging.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.issue.pull_request != null && github.event.comment.body == '/preview'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Checkout Git Branch
         run: |