diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 84caf522..b58b80db 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     env:
       DOCKER_BUILDKIT: "1"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Linting
         run: docker build --target lint .
@@ -61,7 +61,7 @@ jobs:
     needs: [verify]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - uses: docker/setup-qemu-action@v1
       - uses: docker/setup-buildx-action@v1
diff --git a/.github/workflows/dockerhub-description.yml b/.github/workflows/dockerhub-description.yml
index dfab2a9b..f3d3e1ef 100644
--- a/.github/workflows/dockerhub-description.yml
+++ b/.github/workflows/dockerhub-description.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       - name: Docker Hub Description
         uses: peter-evans/dockerhub-description@v2
         with:
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 92f51816..84d1ee08 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -9,7 +9,7 @@ jobs:
   labeler:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: crazy-max/ghaction-github-labeler@v3
         with:
           yaml-file: .github/labels.yml
diff --git a/.github/workflows/misspell.yml b/.github/workflows/misspell.yml
index 984cfbf7..ceecc29f 100644
--- a/.github/workflows/misspell.yml
+++ b/.github/workflows/misspell.yml
@@ -8,7 +8,7 @@ jobs:
   misspell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: reviewdog/action-misspell@v1
         with:
           locale: "US"