diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 9dafd5e2e5..7a15172a4c 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -169,7 +169,7 @@ jobs:
       GITHUB_PREV_SHA: ${{ github.event.before }}
       SPARK_LOCAL_IP: localhost
       SKIP_UNIDOC: true
-      METASPACE_SIZE: 512m
+      METASPACE_SIZE: 128m
     steps:
     - name: Checkout Spark repository
       uses: actions/checkout@v2