diff --git a/.lgtm.yml b/.lgtm.yml
index 450dcc6ccc..a9c75b1e26 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -13,3 +13,6 @@ extraction:
       build_command:
         - cd _lgtm_build_dir
         - make training
+  python:
+    python_setup:
+      version: 3