diff --git a/.github/workflows/weekly-tests-cpu.yml b/.github/workflows/weekly-tests-cpu.yml
index 1acf24a2..f85288b5 100644
--- a/.github/workflows/weekly-tests-cpu.yml
+++ b/.github/workflows/weekly-tests-cpu.yml
@@ -12,10 +12,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: cache weekly timestamp
       id: pip-cache
       run: |
@@ -47,10 +47,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: cache weekly timestamp
       id: pip-cache
       run: |