diff --git a/tests/pom.xml b/tests/pom.xml
index 73b180091..4346d2b01 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -125,6 +125,8 @@
         </dependencies>
         <configuration>
           <argLine>-Xmx512m</argLine>
+          <forkCount>4</forkCount>
+          <reuseForks>true</reuseForks>
           <systemProperties>
             <teavm.junit.target>${project.build.directory}/js-tests</teavm.junit.target>
             <teavm.junit.minified>true</teavm.junit.minified>