diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6284195..e068a63 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,8 +5,8 @@ watchdog==2.0.2
 flake8==3.9.0
 tox==3.23.0
 coverage==5.5
+cryptography==3.4.7
 Sphinx==3.5.3
-cryptography==3.4.6
 PyYAML==5.4.1
 pytest==6.2.3
 pytest-runner==5.3.0