diff --git a/requirements.txt b/requirements.txt
index 63a58a4..fa99c37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ chardet==3.0.4
 cloudpickle==0.7.0
 configparser==3.7.1
 contextlib2==0.5.5
-cryptography==3.3.2
+cryptography==39.0.1
 cycler==0.10.0
 dask==1.1.1
 DateTime==4.3