diff --git a/pyproject.toml b/pyproject.toml
index 6586fb4..d26add8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "dask @ git+https://github.com/dask/dask.git@main",
     "distributed @ git+https://github.com/dask/distributed.git@main",
 ]
-license = { text = "Apache 2.0" }
+license = "Apache-2.0"
 readme = { file = "README.md", content-type = "text/markdown" }
 
 [project.optional-dependencies]