diff --git a/pom.xml b/pom.xml
index f9c6065..87f3b36 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 				<artifactId>maven-surefire-plugin</artifactId>
 				<version>2.18</version>
 				<configuration>
-					<argLine>-Xmx32g -XX:MaxPermSize=1g</argLine>
+					<argLine>-Xmx32g</argLine>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -62,7 +62,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.12</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>