diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 53cb5b9..92d4ed4 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d463bb4..3af77f3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6a1b8bc..f431a1d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: [3.8, 3.9]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2