diff --git a/requirements.txt b/requirements.txt
index cafbb5b9..5bf127a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ channels-redis==2.2.1
 chardet==3.0.4
 configparser==3.5.0
 constantly==15.1.0
-cryptography==2.3.1
+cryptography==39.0.1
 daphne==2.2.2
 DBUtils==1.3
 Django==2.2.15