diff --git a/package.json b/package.json
index 94e0755..0e11af5 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "build-jar": "run-p \"build-only\" && gradle build-jar",
+    "build-jar": "run-p \"build-only\" && gradle -Dorg.gradle.java.home=/opt/jdk/21.0.7/ build-jar",
     "build": "run-p type-check \"build-only {@}\" --",
     "preview": "vite preview",
     "build-only": "vite build",