diff --git a/pyproject.toml b/pyproject.toml
index 52a7efe6..d3a8c8a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "PyYAML",
     "jsonschema",