diff --git a/optional-requirements.txt b/optional-requirements.txt
index badaf81..d57f4d3 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -1,2 +1,2 @@
 # The following is needed to get the Brillouin zone
-scipy==1.4.1
+scipy==1.10.0