diff --git a/setup.py b/setup.py
index 24ac093..45f645b 100644
--- a/setup.py
+++ b/setup.py
@@ -13,12 +13,9 @@
     "jsonschema",
     "pyyaml",
     "typing-extensions",
+    "importlib-resources",
 ]
 
-extra_requires = {
-    ':python_version<"3.9"': ['importlib-resources'],
-}
-
 
 setup(
     name=about["__title__"],
@@ -38,7 +35,6 @@
     python_requires=">=3.7",
     include_package_data=True,
     install_requires=install_requires,
-    extra_requires=extra_requires,
     license=about["__license__"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",