diff --git a/libraries-server/pom.xml b/libraries-server/pom.xml
index 873cca9b9b..72794729a5 100644
--- a/libraries-server/pom.xml
+++ b/libraries-server/pom.xml
@@ -65,7 +65,7 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
-		
+
         <!-- tomcat -->
         <dependency>
             <groupId>org.apache.tomcat</groupId>
@@ -120,8 +120,8 @@
         <commons.collections.version>4.1</commons.collections.version>
         <tomcat.version>8.5.24</tomcat.version>
         <smack.version>4.3.1</smack.version>
-		<eclipse.paho.client.mqttv3.version>1.2.0</eclipse.paho.client.mqttv3.version>
-		<nanohttpd.version>2.3.1</nanohttpd.version>
+        <eclipse.paho.client.mqttv3.version>1.2.0</eclipse.paho.client.mqttv3.version>
+        <nanohttpd.version>2.3.1</nanohttpd.version>
     </properties>
 
 </project>
\ No newline at end of file