diff --git a/setup.cfg b/setup.cfg
index 1973c23..1335127 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -75,7 +75,9 @@ packages = find:
 
 [options.extras_require]
 dev = file:requirements-dev.txt
-toml = tomli>=1.10;python_version<'3.11'
+# For the version marker syntax to work, the value needs to be on a dangling line
+toml = 
+    tomli>=1.10; python_version<'3.11'
 
 [options.package_data]
 green = VERSION, shell_completion.sh