diff --git a/codegen/sdk-codegen/gradle.properties b/codegen/sdk-codegen/gradle.properties
index cdd86d9bb204..64f8bf78bd33 100644
--- a/codegen/sdk-codegen/gradle.properties
+++ b/codegen/sdk-codegen/gradle.properties
@@ -1,3 +1,3 @@
 modelsDirProp=aws-models
 defaultsModeConfigOutput=../../packages/smithy-client/src/defaults-mode.ts
-org.gradle.jvmargs=-XX:+HeapDumpOnOutOfMemoryError
\ No newline at end of file
+org.gradle.jvmargs=-Xmx4g -XX:+HeapDumpOnOutOfMemoryError
\ No newline at end of file