diff --git a/setup.py b/setup.py
index df5965e..0be35dd 100644
--- a/setup.py
+++ b/setup.py
@@ -91,7 +91,7 @@ def get_version(version_file):
         "docopt",
         "schema",
         "setuptools >= 24.2.0",
-        "pyyaml==5.4.1",
+        "pyyaml==6.0",
         "flask==2.0.1",
     ],
     extras_require={