diff --git a/ipojo/runtime/composite/pom.xml b/ipojo/runtime/composite/pom.xml
index f2c48f1..cb64add 100644
--- a/ipojo/runtime/composite/pom.xml
+++ b/ipojo/runtime/composite/pom.xml
@@ -167,6 +167,14 @@
                     <configLocation>http://felix.apache.org/ipojo/dev/checkstyle_ipojo.xml</configLocation>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <target>1.5</target>
+                    <source>1.5</source>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>