diff --git a/core/pom.xml b/core/pom.xml
index e577c5100..9ce0fcda1 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -50,7 +50,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.19.1</version>
+                <version>2.6</version>
                 <configuration>
                     <argLine>-Duser.language=en -Duser.region=US</argLine>
                     <properties>