diff --git a/pyproject.toml b/pyproject.toml
index 64d36bc..a6420fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,9 @@ classifiers = [
 	"Framework :: Pytest",
 ]
 packages = [{ include = "pytest_isort" }]
-include = ["LICENSE.rst"]
+include = [
+	{ path = "LICENSE.rst", format = "sdist" },
+]
 
 [tool.poetry.plugins.pytest11]
 isort = "pytest_isort"