diff --git a/requirements.txt b/requirements.txt
index 60efcd3..5408a53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ conda-build==3.18.11
 conda-package-handling==1.7.0
 conda-verify==3.4.2
 contextlib2==0.6.0.post1
-cryptography==2.9.2
+cryptography==3.2
 cycler==0.10.0
 Cython @ file:///C:/ci/cython_1594834055134/work
 cytoolz==0.10.1