diff --git a/requirements.txt b/requirements.txt
index 5051e49..76eb2e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ certifi==2020.12.5
 cffi==1.14.5
 chardet==4.0.0
 click==7.1.2
-cryptography==3.4.7
+cryptography==41.0.6
 Flask==1.1.4
 https://github.com/mozilla-iam/Flask-pyoidc/archive/v1.0.0.tar.gz
 Flask-SSLify==0.1.5