diff --git a/lgtm.yml b/lgtm.yml
index 68a2fc758651..59f2e812afd7 100644
--- a/lgtm.yml
+++ b/lgtm.yml
@@ -21,6 +21,7 @@ extraction:
       - swig3.0
       - libpython2.7-dev
       - libgtest-dev
+      - libgmock-dev
       - dh-exec
       - doxygen
       - cdbs