diff --git a/lib/libraries.properties b/lib/libraries.properties
index fced7fb1c..0bf5f1954 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -58,7 +58,7 @@ javax.mail.version=1.5.6
 jdepend.version=2.9.1
 # Later versions are built with Java 7
 jruby.version=1.6.8
-junit.version=4.12
+junit.version=4.13.1
 # Later versions are built with Java 6
 rhino.version=1.7R5
 jsch.version=0.1.55
diff --git a/src/etc/poms/ant-junit/pom.xml b/src/etc/poms/ant-junit/pom.xml
index 4efa2b86c..748b1ea38 100644
--- a/src/etc/poms/ant-junit/pom.xml
+++ b/src/etc/poms/ant-junit/pom.xml
@@ -45,7 +45,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/src/etc/poms/ant-junit4/pom.xml b/src/etc/poms/ant-junit4/pom.xml
index f0a98b3fa..a5912c298 100644
--- a/src/etc/poms/ant-junit4/pom.xml
+++ b/src/etc/poms/ant-junit4/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/src/etc/poms/ant-testutil/pom.xml b/src/etc/poms/ant-testutil/pom.xml
index ee9a79659..6cb8fffdc 100644
--- a/src/etc/poms/ant-testutil/pom.xml
+++ b/src/etc/poms/ant-testutil/pom.xml
@@ -46,7 +46,7 @@
      <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>