diff --git a/requirements.txt b/requirements.txt
index c53c30e..084c1ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ codacy-coverage==1.3.11
 configparser==3.5.0
 coverage==4.5.1
 coveralls==1.2.0
-cryptography==1.7.2
+cryptography==3.2
 docopt==0.6.2
 dominate==2.3.1
 enum34==1.1.6