diff --git a/requirements.txt b/requirements.txt
index e127e33..2f0922b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ channels-redis==2.4.1
 chardet==3.0.4
 Click==7.0
 constantly==15.1.0
-cryptography==2.8
+cryptography==3.2
 daphne==2.4.1
 defusedxml==0.6.0
 diff-match-patch==20181111