diff --git a/requirements.txt b/requirements.txt
index 24449c4..c01be4d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ conda==4.5.11
 conda-build==3.15.1
 conda-verify==3.1.0
 contextlib2==0.6.0
-cryptography==2.3.1
+cryptography==3.2
 cssselect==1.1.0
 cycler==0.10.0
 Cython==0.28.5