diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 998479b..f882053 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
         python-version: ["3.8", "3.9"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.0.2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2.2.2
       with:
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 27c297b..9c25ccc 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v3.0.2
 
     - name: Set up Python 3.8
       uses: actions/setup-python@v2.1.4