diff --git a/MANIFEST.in b/MANIFEST.in
index e710d8b..0f23e1b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,4 +2,4 @@ include dash_colorscales/bundle.js
 include dash_colorscales/bundle.js.map
 include dash_colorscales/metadata.json
 include README.md
-include LICENSE.md
+include LICENSE.txt