diff --git a/twt-hashtags/UHT/UniqueHts/pom.xml b/twt-hashtags/UHT/UniqueHts/pom.xml
old mode 100755
new mode 100644
index 02ae4fa..e6fa5bc
--- a/twt-hashtags/UHT/UniqueHts/pom.xml
+++ b/twt-hashtags/UHT/UniqueHts/pom.xml
@@ -15,7 +15,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>