diff --git a/.github/workflows/bazeltest.yml b/.github/workflows/bazeltest.yml
index 649e5e2c..338fc6c5 100644
--- a/.github/workflows/bazeltest.yml
+++ b/.github/workflows/bazeltest.yml
@@ -72,7 +72,7 @@ jobs:
   
   test-mem:
     name: Test with tcmalloc
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
 
     steps:
       - uses: actions/checkout@v2