diff --git a/packages/ember/build.js b/packages/ember/build.js
index fe73f78..f0fb4f6 100644
--- a/packages/ember/build.js
+++ b/packages/ember/build.js
@@ -58,7 +58,7 @@ const fileExists = (file) => {
 	return true;
 };
 
-if (compile.lib && !fileExists(packagesDir + '/core/lib/cache.js')) {
+if (compile.lib && !fileExists(packagesDir + '/core/lib/cache.mjs')) {
 	compile.core = true;
 }
 
diff --git a/packages/ember/package.json b/packages/ember/package.json
index 00dbaad..2b979e7 100644
--- a/packages/ember/package.json
+++ b/packages/ember/package.json
@@ -2,7 +2,7 @@
 	"name": "@iconify/ember",
 	"description": "Iconify icon component for Ember.",
 	"author": "Vjacheslav Trushkin",
-	"version": "1.0.3",
+	"version": "1.0.4",
 	"license": "MIT",
 	"bugs": "https://github.com/iconify/iconify/issues",
 	"homepage": "https://iconify.design/",