diff --git a/gradle/nshm.gradle b/gradle/nshm.gradle
index 3b3ce34fd9e586c4b0c4492025f647420a5df18e..0aad9e2f57e6de4ba66c985e4ac0d5ecaa1cf227 100644
--- a/gradle/nshm.gradle
+++ b/gradle/nshm.gradle
@@ -164,7 +164,7 @@ task testConus2023(type: Test) {
   useJUnitPlatform()
   jvmArgs(
       "-Xms2g",
-      "-Xmx8g",
+      "-Xmx16g",
       )
 
   filter {