diff --git a/MANIFEST.in b/MANIFEST.in
index 4399a12a5881d4e0ba1b7062b387801191e53cea..0381581ef01312763c325fb9ff802d50c50971d1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
+include LICENSE README.md
 recursive-include doc *.rst *.ico *.png
 recursive-include tests *.py
diff --git a/pyproject.toml b/pyproject.toml
index a5cd39fa8df746694c688a6ded4fe8986c860b27..2e95270800b240bbfce9c2148c2cadb049242f02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ zip-safe = true
 package-dir = {"" = "src"}
 
 [tool.setuptools.dynamic]
-readme = {file = "README.md"}
+readme = {file = "README.md", content-type = "text/markdown"}
 
 [tool.distutils.bdist_wheel]
 universal = true