diff --git a/install-lua/main.js b/install-lua/main.js
index 64efc1d..5849edc 100644
--- a/install-lua/main.js
+++ b/install-lua/main.js
@@ -67,7 +67,7 @@ async function install_luajit(luajitVersion) {
 }
 
 async function main() {
-  const luaVersion = core.getInput('luaVersion', { required: true })
+  let luaVersion = core.getInput('luaVersion', { required: true })
 
   if (VERSION_ALIASES[luaVersion]) {
     luaVersion = VERSION_ALIASES[luaVersion]