diff --git a/lib/libraries.properties b/lib/libraries.properties
index fced7fb..0bf5f19 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -58,7 +58,7 @@
 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 4efa2b8..748b1ea 100644
--- a/src/etc/poms/ant-junit/pom.xml
+++ b/src/etc/poms/ant-junit/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-junit4/pom.xml b/src/etc/poms/ant-junit4/pom.xml
index f0a98b3..a5912c2 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 ee9a796..6cb8fff 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>