diff --git a/requirements_dev.txt b/requirements_dev.txt
index dda1a46..8f4b11f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==2.1.9
 flake8==5.0.1
 tox==3.26.0
 coverage==6.5.0
-cryptography==35.0.0
+cryptography==38.0.2
 Sphinx==5.3.0
 PyYAML==6.0
 pytest==7.1.2