diff --git a/Cargo.toml b/Cargo.toml
index fa725e8..a2a9a78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "instant-distance"
 version = "0.1.0"
+license = "MIT OR Apache-2.0"
 authors = ["Dirkjan Ochtman <dirkjan@ochtman.nl>"]
 edition = "2018"