diff --git a/overrides/build-systems.json b/overrides/build-systems.json
index 1ce6ac3..05c274f 100644
--- a/overrides/build-systems.json
+++ b/overrides/build-systems.json
@@ -238,6 +238,9 @@
     "flit-core",
     "flitBuildHook"
   ],
+  "contourpy": [
+    "pybind11"
+  ],
   "copier": [
     "poetry-core"
   ],
@@ -1821,6 +1824,9 @@
   "weasyprint": [
     "flit-core"
   ],
+  "widgetsnbextension": [
+    "jupyter-packaging"
+  ],
   "wled": [
     "poetry-core"
   ],