diff --git a/pyproject.toml b/pyproject.toml
index 592c7170ca9f301d80d659585a28a14e8f01b56e..f90a9253539a07c1bfbab2a1f8bbbb7b7750c5fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
 
 
 [project.optional-dependencies]
-docs = ['mkdocs', 'mkdocs-material', 'mkdocstrings']
+docs = ['mkdocs', 'mkdocs-material', 'mkdocstrings[python]']
 dev = ['mypy']
 
 [project.urls]