diff --git a/kdl_parser/package.xml b/kdl_parser/package.xml
index 6129f19..87dc533 100644
--- a/kdl_parser/package.xml
+++ b/kdl_parser/package.xml
@@ -19,6 +19,7 @@
   <url type="bugtracker">https://github.com/ros/robot_model/issues</url>
 
   <buildtool_depend>catkin</buildtool_depend>
+  <buildtool_depend>pkg-config</buildtool_depend>
 
   <build_depend>collada_parser</build_depend>
   <build_depend>orocos_kdl</build_depend>