diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 909c2cb3..8a6ee9c3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     #needs: [lint]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
@@ -129,7 +129,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Configure compilers for Windows 64bit.
     - name: Enable MSVC 64bit
@@ -262,7 +262,7 @@ jobs:
     needs: [build_and_test_wheels, build_and_test_sdist]
     steps:
       - name: Checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Download wheels and sdist
         uses: actions/download-artifact@v2
@@ -322,7 +322,7 @@ jobs:
     needs: [build_and_test_wheels, build_and_test_sdist]
     steps:
       - name: Checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Download wheels and sdist
         uses: actions/download-artifact@v2