diff --git a/requirements.txt b/requirements.txt
index c4653dc..113b9da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ conda==4.6.11
 conda-build==3.17.8
 conda-verify==3.1.1
 contextlib2==0.5.5
-cryptography==2.6.1
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.6
 cytoolz==0.9.0.1