diff --git a/requirements.txt b/requirements.txt
index 5c4d1a4..07f1799 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ cffi==1.13.0
 chardet==3.0.4
 colorama==0.4.1
 configobj==5.0.6
-cryptography==2.8
+cryptography==42.0.0
 cycler==0.10.0
 dill==0.3.1.1
 docutils==0.15.2