diff --git a/demo_proj/requirements.txt b/demo_proj/requirements.txt
index 546b416..97374ac 100644
--- a/demo_proj/requirements.txt
+++ b/demo_proj/requirements.txt
@@ -2,7 +2,7 @@ attrs==19.3.0
 Automat==20.2.0
 cffi==1.14.0
 constantly==15.1.0
-cryptography==3.3.2
+cryptography==39.0.1
 cssselect==1.1.0
 Django==2.2.20
 django-cors-headers==3.3.0