diff --git a/src/modpack.json b/src/modpack.json
index af29ec1..9ecbcc1 100644
--- a/src/modpack.json
+++ b/src/modpack.json
@@ -2390,7 +2390,7 @@
           "id": "spackenmobs",
           "file": {
             "installer": "internal.dir:mods",
-            "artifact": "com.github.leytilera:Spackenmobs:f817de5dcc",
+            "artifact": "com.github.ACGaming:Spackenmobs:RC3",
             "repository": "jitpack"
           },
           "type": "mod",