diff --git a/requirements.txt b/requirements.txt
index b29dbcc..4be9d66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ chardet==3.0.4
 click==6.7
 colorama==0.3.9
 contextlib2==0.5.5
-cryptography==2.1.2
+cryptography==3.2
 cycler==0.10.0
 Cython==0.27.2
 cytoolz==0.8.2