diff --git a/kuka_external_control_sdk/package.xml b/kuka_external_control_sdk/package.xml
index 2fbfe9d..27941c5 100644
--- a/kuka_external_control_sdk/package.xml
+++ b/kuka_external_control_sdk/package.xml
@@ -14,6 +14,7 @@
   <depend>libgrpc</depend>
   <depend>libssl-dev</depend>
   <depend>pkg-config</depend>
+  <depend>protobuf-compiler-grpc</depend>
 
   <exec_depend>ament_cmake</exec_depend>