diff --git a/requirements.txt b/requirements.txt
index 6eab5af..db07c67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ watchdog==0.8.3
 flake8==2.4.1
 tox==2.1.1
 coverage==4.0
-cryptography==1.3.2
+cryptography==41.0.3
 PyYAML>=4.2b1