diff --git a/requirements.txt b/requirements.txt
index 1e23ac0..99a08ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ conda-build==3.17.8
 conda-package-handling==1.3.10
 conda-verify==3.1.1
 contextlib2==0.5.5
-cryptography==3.2
+cryptography==3.3.2
 cycler==0.10.0
 Cython==0.29.6
 cytoolz==0.9.0.1