diff --git a/src/platform/packages/shared/kbn-es/src/utils/docker.ts b/src/platform/packages/shared/kbn-es/src/utils/docker.ts
index 73717318e9f50..fb758092e29f1 100644
--- a/src/platform/packages/shared/kbn-es/src/utils/docker.ts
+++ b/src/platform/packages/shared/kbn-es/src/utils/docker.ts
@@ -281,8 +281,8 @@ export const SERVERLESS_NODES: Array<Omit<ServerlessEsNodeArgs, 'image'>> = [
     ],
     esArgs: [
       ['xpack.searchable.snapshot.shared_cache.size', '16MB'],
-
       ['xpack.searchable.snapshot.shared_cache.region_size', '256K'],
+      ['ES_JAVA_OPTS', '-Xms1536m -Xmx1536m'],
     ],
   },
   {
@@ -302,7 +302,6 @@ export const SERVERLESS_NODES: Array<Omit<ServerlessEsNodeArgs, 'image'>> = [
     ],
     esArgs: [
       ['xpack.searchable.snapshot.shared_cache.size', '16MB'],
-
       ['xpack.searchable.snapshot.shared_cache.region_size', '256K'],
     ],
   },