diff --git a/libs/jfreechart-1.0.14/pom.xml b/libs/jfreechart-1.0.14/pom.xml
old mode 100755
new mode 100644
index a80db39..388f6d1
--- a/libs/jfreechart-1.0.14/pom.xml
+++ b/libs/jfreechart-1.0.14/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.2</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>