Index: dolfinx-mpc/python/pyproject.toml
===================================================================
--- dolfinx-mpc.orig/python/pyproject.toml	2025-11-13 14:40:34.667948796 +0100
+++ dolfinx-mpc/python/pyproject.toml	2025-11-13 14:41:04.732266185 +0100
@@ -17,6 +17,7 @@
 authors = [{ email = "dokken@simula.no", name = "Jørgen S. Dokken" }]
 dependencies = [
       "numpy>=1.21",
+      "nanobind",
       "cffi",
       "petsc4py",
       "mpi4py",