diff --git a/requirements.txt b/requirements.txt
index f3d6a4dca..ece2b6360 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ cfgv==2.0.1
 chardet==3.0.4
 configparser==4.0.2
 contextlib2==0.6.0.post1
-cryptography==2.8
+cryptography==42.0.0
 docutils==0.15.2
 execnet==1.7.1
 identify==1.4.10