diff --git a/requirements.txt b/requirements.txt
index c584047..dd494b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ cloudpickle==0.8.0
 cmd2==0.8.9
 configparser==3.5.0b2
 contextlib2==0.6.0.post1
-cryptography==2.3
+cryptography==3.2
 cycler==0.10.0
 decorator==4.3.0
 defusedxml==0.5.0