diff --git a/requirements.txt b/requirements.txt
index c8585e61..a03636e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 certifi==2018.8.24
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.3.1
+cryptography==39.0.1
 defusedxml==0.5.0
 dj-database-url==0.5.0
 Django==2.1.1