diff --git a/requirements.txt b/requirements.txt
index f33bc79..1eae2a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 blinker==1.4
 cffi==1.11.4
 click==6.7
-cryptography==2.1.4
+cryptography==3.2
 decorator==4.2.1
 dominate==2.3.1
 enum34==1.1.6