diff --git a/src/bin/create-index.js b/src/bin/create-index.js
index 5eb76f4..041a263 100644
--- a/src/bin/create-index.js
+++ b/src/bin/create-index.js
@@ -9,6 +9,7 @@ const argv = yargs
   .demand(1)
   .options({
     'update': {
+      alias: 'u',
       default: false,
       description: 'Recursively iterates target directories looking for "index.js" files that start with "\'create index\';\\n" (create-index index file). Updates found index files. Does not create new index files.',
       type: 'boolean'