diff --git a/setup.py b/setup.py
index 79091a1..d20f28a 100755
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
         install_requires=[
             "inflection>=0.2",
             "Markdown>=2.4",
-            "jsonschema>=2.3,<4.1.8",
+            "jsonschema>=2.3,<4.18",
             "six>=1.5.2",
         ],
         cmdclass=versioneer.get_cmdclass(),