Use released version instead of older snapshot

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/maven/maven-launchpad-plugin@1360705 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 57b09bc..5219710 100644
--- a/pom.xml
+++ b/pom.xml
@@ -160,12 +160,12 @@
         <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.launchpad.base</artifactId>
-            <version>2.3.1-SNAPSHOT</version>
+            <version>2.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.launchpad.base</artifactId>
-            <version>2.3.1-SNAPSHOT</version>
+            <version>2.4.0</version>
             <classifier>app</classifier>
         </dependency>
         <dependency>