diff --git a/requirements.txt b/requirements.txt
index 6d144ea..19b71ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ channels-redis==2.4.1
 chardet==3.0.4
 constantly==15.1.0
 coolsms-python-sdk==2.0.3
-cryptography==2.8
+cryptography==3.2
 daphne==2.2.5
 defusedxml==0.6.0
 dj-database-url==0.5.0