diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index a5f1bc23..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,17 +0,0 @@
-include doc/*.rst
-include doc/*.sh
-include doc/Makefile
-
-include test/*.step
-include test/*.sh
-include test/annulus.msh
-include test/blob2d*.msh
-include test/cubed-cube.msh
-include test/gh-394.msh
-include test/hybrid-cube.msh
-include test/ref-*.pvtu
-
-prune .ci
-prune .github
-exclude .gitignore
-exclude .gitlab-ci.yml
diff --git a/meshmode/version.py b/meshmode/version.py
index 6e2608de..19ec52d0 100644
--- a/meshmode/version.py
+++ b/meshmode/version.py
@@ -4,7 +4,7 @@
 def _parse_version(version: str) -> tuple[tuple[int, ...], str]:
     import re
 
-    m = re.match("^([0-9.]+)([a-z0-9]*?)$", VERSION_TEXT)
+    m = re.match(r"^([0-9.]+)([a-z0-9]*?)$", VERSION_TEXT)
     assert m is not None
 
     return tuple(int(nr) for nr in m.group(1).split(".")), m.group(2)
diff --git a/pyproject.toml b/pyproject.toml
index f3173785..1866f38c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,8 +1,6 @@
 [build-system]
-build-backend = "setuptools.build_meta"
-requires = [
-    "setuptools>=63",
-]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "meshmode"
@@ -62,20 +60,6 @@ visualization = [
 Documentation = "https://documen.tician.de/meshmode"
 Repository = "https://github.com/inducer/meshmode"
 
-[tool.setuptools.packages.find]
-include = [
-    "meshmode*",
-]
-
-[tool.setuptools.package-dir]
-# https://github.com/Infleqtion/client-superstaq/pull/715
-"" = "."
-
-[tool.setuptools.package-data]
-meshmode = [
-    "py.typed",
-]
-
 [tool.ruff]
 preview = true