diff --git a/koskela/pom.xml b/koskela/pom.xml
index f47dfe7..9e1b422 100644
--- a/koskela/pom.xml
+++ b/koskela/pom.xml
@@ -67,7 +67,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.3.1</version>
+			<version>4.13.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.wicket</groupId>