diff --git a/requirements.txt b/requirements.txt
index 50ca8c1..8665c55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ chardet==4.0.0
 charset-normalizer==2.0.4
 click==7.1.2
 colorama==0.4.4
-cryptography==3.4.8
+cryptography==39.0.1
 cvxopt==1.2.7
 cycler==0.10.0
 Cython==0.29.26