diff --git a/requirements.txt b/requirements.txt
index 329fc7b..a652738 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ conda-build==3.13.0
 conda-verify==3.1.0
 constantly==15.1.0
 contextlib2==0.5.5
-cryptography==3.3.2
+cryptography==39.0.1
 cycler==0.10.0
 Cython==0.28.5
 cytoolz==0.9.0.1