diff --git a/examples/celery/pyproject.toml b/examples/celery/pyproject.toml
index e480aebc..cd394678 100644
--- a/examples/celery/pyproject.toml
+++ b/examples/celery/pyproject.toml
@@ -7,5 +7,8 @@ requires-python = ">=3.8"
 dependencies = ["flask>=2.2.2", "celery[redis]>=5.2.7"]
 
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core<4"]
+build-backend = "flit_core.buildapi"
+
+[tool.flit.module]
+name = "task_app"
diff --git a/examples/javascript/MANIFEST.in b/examples/javascript/MANIFEST.in
deleted file mode 100644
index c730a34e..00000000
--- a/examples/javascript/MANIFEST.in
+++ /dev/null
@@ -1,4 +0,0 @@
-include LICENSE.rst
-graft js_example/templates
-graft tests
-global-exclude *.pyc
diff --git a/examples/javascript/pyproject.toml b/examples/javascript/pyproject.toml
index e74415b8..6c4d7def 100644
--- a/examples/javascript/pyproject.toml
+++ b/examples/javascript/pyproject.toml
@@ -3,7 +3,7 @@ name = "js_example"
 version = "1.1.0"
 description = "Demonstrates making AJAX requests to Flask."
 readme = "README.rst"
-license = {text = "BSD-3-Clause"}
+license = {file = "LICENSE.rst"}
 maintainers = [{name = "Pallets", email = "contact@palletsprojects.com"}]
 dependencies = ["flask"]
 
@@ -14,8 +14,11 @@ Documentation = "https://flask.palletsprojects.com/patterns/jquery/"
 test = ["pytest"]
 
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core<4"]
+build-backend = "flit_core.buildapi"
+
+[tool.flit.module]
+name = "js_example"
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
diff --git a/examples/tutorial/MANIFEST.in b/examples/tutorial/MANIFEST.in
deleted file mode 100644
index 97d55d51..00000000
--- a/examples/tutorial/MANIFEST.in
+++ /dev/null
@@ -1,6 +0,0 @@
-include LICENSE.rst
-include flaskr/schema.sql
-graft flaskr/static
-graft flaskr/templates
-graft tests
-global-exclude *.pyc
diff --git a/examples/tutorial/pyproject.toml b/examples/tutorial/pyproject.toml
index c86eb61f..2c806b15 100644
--- a/examples/tutorial/pyproject.toml
+++ b/examples/tutorial/pyproject.toml
@@ -16,8 +16,16 @@ Documentation = "https://flask.palletsprojects.com/tutorial/"
 test = ["pytest"]
 
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core<4"]
+build-backend = "flit_core.buildapi"
+
+[tool.flit.module]
+name = "flaskr"
+
+[tool.flit.sdist]
+include = [
+    "tests/",
+]
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]