diff --git a/requirements.txt b/requirements.txt
index e8b9b81..86140bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ cffi==1.14.0
 cfn-lint==0.29.5
 chardet==3.0.4
 click==7.1.1
-cryptography==2.9
+cryptography==39.0.1
 decorator==4.4.2
 docker==4.2.0
 docutils==0.15.2