diff --git a/MANIFEST.in b/MANIFEST.in
index 3acab8d0..26311789 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,2 @@
-prune binder
-prune etc
+# this file controls the contents of sdist
 prune tests
-prune examples
-global-exclude *.py[cod\] __pycache__ *.so
diff --git a/pyproject.toml b/pyproject.toml
index 30546721..0a3252ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,5 +56,6 @@ ignore = ["F401", "E402"]
 max-line-length = 120
 exclude = [".git", "__pycache__", "docs/source/conf.py,", "build", "dist", "examples", "etc"]
 
-[tool.setuptools]
-packages = ["owslib"]
+# ensure all subpackages are found
+[tool.setuptools.packages.find]
+include = ["owslib*"]
\ No newline at end of file