diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ba8913379..49024d6f40 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ name: Build CI
 env:
   CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
   CI_DEPLOY_PASSWORD: ${{ secrets.CI_DEPLOY_PASSWORD }}
-  MAVEN_OPTS: "-Xmx12g"
+  MAVEN_OPTS: "-Xmx9g"
 
 on: [push, pull_request]