diff --git a/modpack/modrinth.index.json b/modpack/modrinth.index.json
index 4dcf250..fe5ae00 100644
--- a/modpack/modrinth.index.json
+++ b/modpack/modrinth.index.json
@@ -1,8 +1,8 @@
 {
   "formatVersion": 1,
   "game": {
-    "type": "forge",
-    "version": "1.20.1"
+    "type": "neoforge",
+    "version": "1.21.1"
   },
   "versionId": "0.0.1",
   "name": "minimal-client-modpack",