diff --git a/requirements.txt b/requirements.txt
index fa25bec..9bfd234 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ cffi==1.12.3
 channels==2.2.0
 channels-redis==2.4.0
 constantly==15.1.0
-cryptography==2.7
+cryptography==3.2
 daphne==2.3.0
 Django==2.2.13
 hiredis==1.0.0