diff --git a/requirements.txt b/requirements.txt
index b8d5955..031527a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Automat==0.5.0
 biopandas==0.1.5
 cffi==1.10.0
 constantly==15.1.0
-cryptography==1.8.1
+cryptography==3.2
 cssselect==1.0.1
 cycler==0.10.0
 decorator==4.0.11