Looks like Hatchling needs a bump before this can actually happen.

Julian · Julian · commit cd88c1d6704f · 2023-04-25T19:12:03.000-04:00
Revert "Add the new JSON and JSON Schema classifiers, hooray!" This reverts commit 9bd7253.
diff --git a/pyproject.toml b/pyproject.toml
@@ -27,8 +27,6 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
-  "Topic :: File Formats :: JSON",
-  "Topic :: File Formats :: JSON Schema",
 ]
 dynamic = ["version", "readme"]
 

Original file line number	Diff line number	Diff line change
`@@ -27,8 +27,6 @@ classifiers = [`
`27`	`27`	`"Programming Language :: Python :: 3.11",`
`28`	`28`	`"Programming Language :: Python :: Implementation :: CPython",`
`29`	`29`	`"Programming Language :: Python :: Implementation :: PyPy",`
`30`		`- "Topic :: File Formats :: JSON",`
`31`		`- "Topic :: File Formats :: JSON Schema",`
`32`	`30`	`]`
`33`	`31`	`dynamic = ["version", "readme"]`
`34`	`32`