diff --git a/dub.sdl b/dub.sdl
index a38fd81..a6f43bd 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -2,6 +2,6 @@ name "wasm-sourcemaps"
 description "Converts DWARF debug info to sourcemaps for browser debug tools"
 authors "Sebastiaan Koppe"
 copyright "Copyright © 2019, Sebastiaan Koppe"
-license "MIT"
+license "BSL-1.0"
 dependency "wasm-reader" version="~>0.0.6"
 dependency "darg" version="~>0.1.0"
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