diff --git a/pyproject.toml b/pyproject.toml
index 1dbbdda8..469d8dc3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,6 @@ dynamic = ['version']
 
 [project.optional-dependencies]
 docs = [
-    'numpydoc',
     'sphinx',
     'sphinx-automodapi',
     'sphinx-rtd-theme',