diff --git a/lib/cli.js b/lib/cli.js
index 6523783d..35129702 100755
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -131,7 +131,7 @@ Promise.resolve()
         process.exit(1);
     });
 
-var SUPPORTED_INSTALLERS = ['npm', 'pnpm', 'ied'];
+const SUPPORTED_INSTALLERS = ['npm', 'pnpm', 'ied'];
 
 function detectPreferredInstaller(cwd) {
     return detectPreferredPM(cwd)