diff --git a/.lgtm.yml b/.lgtm.yml
index 2f2436c57..bc3068896 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -13,6 +13,7 @@ extraction:
       - python3-setuptools
       - python3-wheel
       - python3-cairo
+      - python3-gi-cairo
       - libssl-dev
     after_prepare:
     - python3 -m pip install --user "meson >= 0.52.0"