diff --git a/Cargo.toml b/Cargo.toml
index a419fe6..b5ed60f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Adam Wick <awick@uhsure.com>"]
 description = "A simple DER/ASN.1 encoding/decoding library."
 categories = ["encoding"]
 keywords = ["ASN1","encoding","DER"]
-license-file = "LICENSE"
+license = "ISC"
 repository = "https://github.com/acw/simple_asn1"
 
 [dependencies]