diff --git a/pyproject.toml b/pyproject.toml
index e4d8acb..da01686 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools"]
+requires = ["setuptools", "matplotlib", "ipython"]
 
 [project]
 name = "matplotlib-inline"