diff --git a/pom.xml b/pom.xml
index c89165b..ec0aa6a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,15 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
-                             https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0                              https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>org.edu_sharing</groupId>
     <artifactId>edu_sharing-super-pom</artifactId>
-    <version>develop-SNAPSHOT</version>
+    <version>21</version>
     <relativePath/>
   </parent>
 
@@ -247,4 +244,4 @@
     <module>tracker</module>
   </modules>
 
-</project>
\ No newline at end of file
+</project>