diff --git a/requirements.txt b/requirements.txt
index 24b5556..30b6ce0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.22.0
 certifi==2017.7.27.1
 cffi==1.11.0
 chardet==3.0.4
-cryptography==2.3
+cryptography==42.0.8
 dj-database-url==0.4.2
 dj-static==0.0.6
 Django==1.11.19