diff --git a/Cargo.toml b/Cargo.toml
index 03cc6ae..0ec3f67 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,5 @@ description = "Fast functions for printing integer primitives to an io::Write"
 repository = "https://github.com/dtolnay/itoa"
 documentation = "https://github.com/dtolnay/itoa"
 categories = ["value-formatting"]
+readme = "README.md"
 exclude = ["performance.png"]