diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9b984eacd..c68d7f1f6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         node-version: [10.x, 12.x]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
 
     - name: Setup Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 0861d43ae..ebb8703f5 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         node-version: [12.x]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
 
     - name: Setup Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
diff --git a/.github/workflows/release-preview-publish.yml b/.github/workflows/release-preview-publish.yml
index e7d5b994c..5d8d227c5 100644
--- a/.github/workflows/release-preview-publish.yml
+++ b/.github/workflows/release-preview-publish.yml
@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
     - name: Setup Node.js
       uses: actions/setup-node@v1
       with:
diff --git a/.github/workflows/release-publish.yml b/.github/workflows/release-publish.yml
index 254a38654..b135bb54c 100644
--- a/.github/workflows/release-publish.yml
+++ b/.github/workflows/release-publish.yml
@@ -8,7 +8,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.4
     - uses: fregante/setup-git-user@v1
 
     - name: Setup Node.js