diff --git a/build.gradle b/build.gradle
index ba03a7e..9dfed0f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,8 +43,8 @@ subprojects {
 
 allprojects {
     apply plugin: "fabric-loom"
-    sourceCompatibility = targetCompatibility = JavaVersion.VERSION_17
-    version = project.mod_version + "+" + project.minecraft_version
+    sourceCompatibility = targetCompatibility = JavaVersion.VERSION_21
+    version = project.mod_version + "-" + project.minecraft_version
 
     repositories {
         maven {