diff --git a/.github/workflows/backend-test.yml b/.github/workflows/backend-test.yml
index 9eac00213f..10128556fe 100644
--- a/.github/workflows/backend-test.yml
+++ b/.github/workflows/backend-test.yml
@@ -19,7 +19,7 @@ defaults:
 
 jobs:
   cargo_test:
-    runs-on: ubicloud-standard-30
+    runs-on: ubicloud-standard-8
     services:
       postgres:
         image: postgres