diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 87d7aaa..b1cb045 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checking out code from GitHub
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: Set up Python 3.9
         uses: actions/setup-python@v2
         with:
@@ -34,7 +34,7 @@ jobs:
         python: [3.8, 3.9]
     steps:
       - name: Checking out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3.1.0
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v2.2.1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4dc1e91..5f9daf2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checking out code from GitHub
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: Set up Python 3.9
         uses: actions/setup-python@v2
         with: