diff --git a/core/roslang/package.xml b/core/roslang/package.xml
index d60c76d1..8627eac1 100644
--- a/core/roslang/package.xml
+++ b/core/roslang/package.xml
@@ -12,4 +12,6 @@
   <author email="gerkey@willowgarage.com">Brian Gerkey</author>
 
   <build_depend>catkin</build_depend>
+
+  <run_depend>genmsg</run_depend>
 </package>