diff --git a/requirements.txt b/requirements.txt
index bdcdf74..3b7920d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ ci-info==0.2.0
 click==7.1.2
 conda==4.8.3
 conda-package-handling==1.6.0
-cryptography==2.9.2
+cryptography==39.0.1
 cvxopt==1.2.5
 cycler==0.10.0
 dash==1.12.0