diff --git a/docs/requirements.txt b/docs/requirements.txt
index dd2f77ca..1186b4c3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 # requirements file for documentation
-sphinx
-# sphinx-argparse
+# sphinx
+sphinx-argparse
 sphinx-autodoc-typehints