diff --git a/requirements.txt b/requirements.txt
index bb3c3a7..e05682a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ clyent==1.2.2
 colorama==0.4.1
 comtypes==1.1.7
 contextlib2==0.6.0.post1
-cryptography==2.8
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.14
 cytoolz==0.10.1