diff --git a/docs/requirements.txt b/docs/requirements.txt
index 66de40aa3015061b57a4158f2a7e9fbc251ee084..3dadde5e70dbd2533b602588847641aee9d99604 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,4 @@
 sphinx_rtd_theme
 sphinx_autodoc_typehints
 sphinxcontrib_bibtex
-sphinx_gallery
-psimpy
\ No newline at end of file
+sphinx_gallery
\ No newline at end of file