diff --git a/requirements.txt b/requirements.txt
index dda4b38..2c414ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ conda==4.3.25
 configparser==3.5.0
 constantly==15.1.0
 contextlib2==0.5.5
-cryptography==2.0.3
+cryptography==3.2
 cssselect==1.0.3
 cycler==0.10.0
 Cython==0.25.2