diff --git a/install.json b/install.json
index 9d5af54..5f4a588 100644
--- a/install.json
+++ b/install.json
@@ -753,23 +753,23 @@
       "Id": "mod:lwjgl3ify",
       "Name": "lwjgl3ify",
       "DestPath": "mods/lwjgl3ify.jar",
-      "SourceUrl": "https://github.com/GTNewHorizons/lwjgl3ify/releases/download/2.1.10/lwjgl3ify-2.1.10.jar",
+      "SourceUrl": "https://github.com/GTNewHorizons/lwjgl3ify/releases/download/2.1.9/lwjgl3ify-2.1.9.jar",
       "SourceType": "GitHub",
       "SourceOwner": "GTNewHorizons",
       "SourceName": "lwjgl3ify",
       "SourceRegex": "^.*\\-(|v|V)[0-9\\.\\+\\-]*?(|\\-pre|\\-GTNH|\\-gtnh)\\.jar$",
-      "SourceTag": "2.1.10"
+      "SourceTag": "2.1.9"
     },
     {
       "Id": "mod:lwjgl3ify-forgePatches",
       "Name": "lwjgl3ify-forgePatches",
       "DestPath": "lwjgl3ify-forgePatches.jar",
-      "SourceUrl": "https://github.com/GTNewHorizons/lwjgl3ify/releases/download/2.1.10/lwjgl3ify-forgePatches-2.1.10.jar",
+      "SourceUrl": "https://github.com/GTNewHorizons/lwjgl3ify/releases/download/2.1.9/lwjgl3ify-2.1.9-forgePatches.jar ",
       "SourceType": "GitHub",
       "SourceOwner": "GTNewHorizons",
       "SourceName": "lwjgl3ify",
       "SourceRegex": "^.*\\-(|v|V)[0-9\\.\\+\\-]*?(|\\-pre|\\-GTNH|\\-gtnh)\\.jar$",
-      "SourceTag": "2.1.10",
+      "SourceTag": "2.1.9",
       "Side": "Server"
     },
     {