diff --git a/gerrit-acceptance-tests/tests.bzl b/gerrit-acceptance-tests/tests.bzl
index 562e3b7b58..3b1a4f4be6 100644
--- a/gerrit-acceptance-tests/tests.bzl
+++ b/gerrit-acceptance-tests/tests.bzl
@@ -4,7 +4,7 @@ def acceptance_tests(
     group,
     deps = [],
     labels = [],
-    vm_args = ['-Xmx8g'],
+    vm_args = ['-Xmx256m'],
     **kwargs):
   junit_tests(
     name = group,