diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index b3a7532b..3da26b0d 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -13,7 +13,7 @@ jobs:
         os: [macos-latest, ubuntu-20.04]
         python-version: [3.6, 3.7, 3.8, pypy-3.7]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.1
         with:
diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
index b3180ac8..9fec9b29 100644
--- a/.github/workflows/coverage.yaml
+++ b/.github/workflows/coverage.yaml
@@ -11,7 +11,7 @@ jobs:
   Coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.1.4
         with:
diff --git a/.github/workflows/pypiupload.yaml b/.github/workflows/pypiupload.yaml
index 8237f1e4..71ffd563 100644
--- a/.github/workflows/pypiupload.yaml
+++ b/.github/workflows/pypiupload.yaml
@@ -15,7 +15,7 @@ jobs:
         python-version: [2.7, 3.x]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Publish to PyPi
       uses: actions/setup-python@v2.1.4
       with: