diff --git a/python-conda/requirements.txt b/python-conda/requirements.txt
index 799d541c0..a26e89dce 100644
--- a/python-conda/requirements.txt
+++ b/python-conda/requirements.txt
@@ -41,7 +41,7 @@ colour==0.1.5
 contextlib2==0.5.5
 convertdate==2.1.3
 coverage==4.5.4
-cryptography==3.0
+cryptography==39.0.1
 cvxpy==1.0.24
 cycler==0.10.0
 dask==2.9.0