diff --git a/requirements_dev.txt b/requirements_dev.txt
index 77dfcd4..48102e4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ flake8==4.0.1
 mock==3.0.5
 pip==22.1.2
 pytest==7.1.2
-PyYAML==5.4.1
+PyYAML==6.0
 Sphinx==5.0.1
 tox==3.25.0
 watchdog==0.9.0