diff --git a/requirements_dev.txt b/requirements_dev.txt
index 501db8b..8a074f6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ bumpversion==0.5.3
 coverage==5.1
 tox==3.15.0
 wheel==0.34.2
-watchdog==0.10.2
+watchdog==4.0.0
 flake8==3.7.9
 Sphinx==3.0.3
 twine==3.1.1