diff --git a/requirements.txt b/requirements.txt
index 3e4938c..e333844 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ cffi==1.14.0
 chardet==3.0.4
 click==7.1.2
 colorama==0.4.3
-cryptography==3.0
+cryptography==39.0.1
 decorator==4.4.2
 future==0.18.2
 idna==2.10