[SM-3359] Upgrade maven plugin versions and parent pom
diff --git a/assemblies/apache-servicemix/pom.xml b/assemblies/apache-servicemix/pom.xml
index e6e41f8..32cc16a 100644
--- a/assemblies/apache-servicemix/pom.xml
+++ b/assemblies/apache-servicemix/pom.xml
@@ -400,7 +400,7 @@
                                 <id>unix-src</id>
                                 <phase>package</phase>
                                 <goals>
-                                    <goal>attached</goal>
+                                    <goal>single</goal>
                                 </goals>
                                 <configuration>
                                     <descriptors>