diff --git a/requirements_dev.txt b/requirements_dev.txt
index 474fcac..e068a63 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,10 +5,10 @@ watchdog==2.0.2
 flake8==3.9.0
 tox==3.23.0
 coverage==5.5
-Sphinx==3.4.3
 cryptography==3.4.7
+Sphinx==3.5.3
 PyYAML==5.4.1
-pytest==6.2.2
+pytest==6.2.3
 pytest-runner==5.3.0
 vcrpy==2.1.1
 twine==3.4.1