diff --git a/.github/workflows/python_binding.yml b/.github/workflows/python_binding.yml
index f9ab8819..754991b7 100644
--- a/.github/workflows/python_binding.yml
+++ b/.github/workflows/python_binding.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [windows-latest, macos-latest, ubuntu-latest]
+        platform: [windows-latest, macos-latest, ubuntu-20.04]
         python-version: ["3.6", "3.8", "3.10"]
 
     runs-on: ${{ matrix.platform }}