diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 3919615..4ae3e94 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -7,7 +7,8 @@
       "extensions": [
         "m1guelpf.better-pest",
         "bmewburn.vscode-intelephense-client",
-        "whatwedo.twig"
+        "whatwedo.twig",
+        "SanderRonde.phpstan-vscode"
       ]
     }
   },