diff --git a/requirements_dev.txt b/requirements_dev.txt
index 801e83f..6900e3b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==0.8.3
 flake8==3.4.1
 tox==2.9.1
 coverage==5.5
-cryptography==43.0.0
+cryptography==43.0.1
 Sphinx==7.4.7
 PyYAML==5.4.1
 pytest==3.2.3