diff --git a/requirements.txt b/requirements.txt
index cdd0a97..a3db521 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ click==7.1.2
 cloudpickle==1.3.0
 colorama==0.4.3
 command-not-found==0.3
-cryptography==2.8
+cryptography==39.0.1
 cupshelpers==1.0
 cycler==0.10.0
 Cython==0.29.14