diff --git a/.github/workflows/install_learnware_with_pip.yaml b/.github/workflows/install_learnware_with_pip.yaml
index b55832c..e5e9ed2 100644
--- a/.github/workflows/install_learnware_with_pip.yaml
+++ b/.github/workflows/install_learnware_with_pip.yaml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        python-version: [3.8, 3.9]
+        python-version: [3.9]
 
     steps:
     - name: Test learnware from pip
diff --git a/.github/workflows/install_learnware_with_source.yaml b/.github/workflows/install_learnware_with_source.yaml
index c63d68d..1702f6b 100644
--- a/.github/workflows/install_learnware_with_source.yaml
+++ b/.github/workflows/install_learnware_with_source.yaml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        python-version: [3.8, 3.9]
+        python-version: [3.9]
 
     steps:
     - name: Test learnware from pip