diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e42e6ee75..47a0d5e3f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
   dependabolt:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     - name: Run dependabolt
       if: github.event_name == 'pull_request' && startsWith(github.event.pull_request.head.ref, 'dependabot/')
       uses: docker://ghcr.io/malept/dependabolt-action:2.1.3
@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Fix git checkout line endings
         run: git config --global core.autocrlf input
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: Use Node.js 10.x
         uses: actions/setup-node@v2.1.2
         with:
@@ -77,7 +77,7 @@ jobs:
     steps:
       - name: Fix git checkout line endings
         run: git config --global core.autocrlf input
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: Windows specific setup
         if: matrix.os == 'windows-latest'
         run: |