diff --git a/package.xml b/package.xml
index 9a460df..6f891ab 100644
--- a/package.xml
+++ b/package.xml
@@ -9,6 +9,8 @@
   <maintainer email="g.a.vanderhoorn@tudelft.nl">G.A. vd. Hoorn (TU Delft Robotics Institute)</maintainer>
   <maintainer email="nhg@ipa.fhg.de">Nadia Hammoudeh Garcia</maintainer>
   <license>Apache 2.0</license>
+  <license>BSD 2-clause</license>
+  <license>Zlib</license>
 
   <url type="website">http://wiki.ros.org/ur_modern_driver</url>
   <url type="bugtracker">https://github.com/ros-industrial/ur_modern_driver/issues</url>