diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cfed88a3..ad34cde4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup Node
         uses: actions/setup-node@v2.1.2
diff --git a/.github/workflows/gh-pages-deploy.yml b/.github/workflows/gh-pages-deploy.yml
index e53fa20f..4c3cafc0 100644
--- a/.github/workflows/gh-pages-deploy.yml
+++ b/.github/workflows/gh-pages-deploy.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup Node
         uses: actions/setup-node@v2.1.2
diff --git a/.github/workflows/lint-md.yml b/.github/workflows/lint-md.yml
index c9b337f8..92f9a81a 100644
--- a/.github/workflows/lint-md.yml
+++ b/.github/workflows/lint-md.yml
@@ -26,7 +26,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup Node
         uses: actions/setup-node@v2.1.2