diff --git a/pom.xml b/pom.xml
index 94cb0b3..058d60e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,11 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.20.1</version>
+                <version>2.22.0</version>
+                <configuration>
+                    <parallel>classes</parallel>
+                    <threadCount>5</threadCount>
+                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.jacoco</groupId>