diff --git a/core/pom.xml b/core/pom.xml
index 509c7972b..c5ea6953d 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -321,7 +321,7 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
                 <configuration>
-                    <argLine>${surefireArgLine}</argLine> <!-- This is required for code coverage to work. -->
+                    <argLine>-Xmx1024m ${surefireArgLine}</argLine><!-- Last argument is required for code coverage to work. -->
                     <runOrder>alphabetical</runOrder>
                     <systemProperties>
                         <property>