diff --git a/src/modpack.json b/src/modpack.json
index eff795c..836b935 100644
--- a/src/modpack.json
+++ b/src/modpack.json
@@ -2390,7 +2390,7 @@
           "id": "spackenmobs",
           "file": {
             "installer": "internal.dir:mods",
-            "link": "https://github.com/ACGaming/Spackenmobs/releases/download/RC3/Spackenmobs-1.12.2-RC3.jar"
+            "link": "https://github.com/ACGaming/Spackenmobs/releases/download/RC4/Spackenmobs-1.12.2-RC4.jar"
           },
           "type": "mod",
           "options": [