diff --git a/ql/lib/ext/config/poisonable_steps.yml b/ql/lib/ext/config/poisonable_steps.yml
index 1e0abb02d44..e2742fd60a7 100644
--- a/ql/lib/ext/config/poisonable_steps.yml
+++ b/ql/lib/ext/config/poisonable_steps.yml
@@ -40,6 +40,7 @@ extensions:
       - ["phpstan"]
       - ["pip\\s+install\\s+-r"]
       - ["pip\\s+install\\s+--requirement"]
+      - ["pipx\\s+install\\s+\\."]
       - ["poetry"]
       - ["pylint"]
       - ["pytest"]