diff --git a/src/cartographer_ros/cartographer_ros/package.xml b/src/cartographer_ros/cartographer_ros/package.xml
index cd64648..0025010 100644
--- a/src/cartographer_ros/cartographer_ros/package.xml
+++ b/src/cartographer_ros/cartographer_ros/package.xml
@@ -37,7 +37,7 @@
catkin
git
- google-mock
+
protobuf-dev
python3-sphinx