diff --git a/requirements.txt b/requirements.txt
index 786b6e4..bede3a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ certifi==2019.6.16
 cffi==1.12.3
 chardet==3.0.4
 cloudpickle==1.2.1
-cryptography==2.7
+cryptography==3.2
 decorator==4.4.0
 defusedxml==0.6.0
 docopt==0.6.2