diff --git a/Cargo.toml b/Cargo.toml
index 29940ac..e7f1cbe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "bitsy-tiles"
 version = "0.1.0"
 authors = ["Max Bradbury <max@tinybird.info>"]
 edition = "2018"
-
+license = "MIT"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [lib]