diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cce651ac3..d07c07dea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
         node-version: [14.x]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
@@ -28,7 +28,7 @@ jobs:
         node-version: [14.x]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
@@ -45,7 +45,7 @@ jobs:
         node-version: [10.x, 12.x, 14.x]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with: