diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@ setup(
     download_url='https://github.com/tomduck/pandoc-tablenos/tarball/' + \
                  __version__,
 
-    install_requires=['pandoc-xnos >= 2.1.2, < 3.0'],
+    install_requires=['pandoc-xnos >= 2.4.0, < 3.0'],
 
     py_modules=['pandoc_tablenos'],
     entry_points={'console_scripts':['pandoc-tablenos = pandoc_tablenos:main']},
Bumped pandoc-xnos requirement.