diff --git a/requirements.txt b/requirements.txt
index d213703..da472f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ click==6.7
 click-plugins==1.0.3
 cligj==0.4.0
 cloudpickle==0.5.5
-cryptography==2.3.1
+cryptography==3.2
 cryptography-vectors==2.3.1
 cycler==0.10.0
 cytoolz==0.9.0.1