diff --git a/requirements_test.txt b/requirements_test.txt
index 8a2a53d..e65a9a5 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -3,7 +3,7 @@ codespell==2.0.0
 flake8==3.9.2
 mypy==0.910
 pydocstyle==6.1.1
-cryptography==3.2
+cryptography==3.4.8
 pylint==2.11.1
 pylint-strict-informational==0.1
 homeassistant==2021.11.2