diff --git a/requirements.txt b/requirements.txt
index 03aba43..8be1c55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ bitarray==1.6.3
 boofuzz==0.3.0
 cffi==1.14.4
 click==7.1.2
-cryptography==3.3.2
+cryptography==39.0.1
 dnspython==2.1.0
 Flask==1.1.2
 future==0.18.2