diff --git a/build.gradle b/build.gradle
index ff3c80edc..5b78682dc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,6 +4,12 @@ plugins {
     id 'com.github.breadmoirai.github-release' version '2.2.9'
 }
 
+subprojects {
+    tasks.withType(Test) {
+        maxHeapSize = "3g"        
+    }
+}
+
 tasks.findByName('release').dependsOn project.getTasksByName('test', true)
 
 githubRelease {
diff --git a/gradle.properties b/gradle.properties
index 335e4cb7b..4fdf282d7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@ hibernate.version=5.2.11.Final
 
 lucene.version=7.2.1
 
-org.gradle.jvmargs=-Xmx4g -XX:-UseGCOverheadLimit
+org.gradle.jvmargs=-Xmx1g -XX:-UseGCOverheadLimit
 
 # set token in personal global
 i2.github.token=