diff --git a/minecraft-forge/minecraft-forge-docker.json b/minecraft-forge/minecraft-forge-docker.json
index 5da4e62..f486966 100644
--- a/minecraft-forge/minecraft-forge-docker.json
+++ b/minecraft-forge/minecraft-forge-docker.json
@@ -1,6 +1,6 @@
 {
   "type": "minecraft-java",
-  "display": "MinecraftForge 1.21+ - Minecraft (Docker)",
+  "display": "MinecraftForge 1.17+ - Minecraft (Docker)",
   "data": {
     "memory": {
       "value": "1024",
diff --git a/minecraft-forge/minecraft-forge.json b/minecraft-forge/minecraft-forge.json
index ae6adee..58c47ee 100644
--- a/minecraft-forge/minecraft-forge.json
+++ b/minecraft-forge/minecraft-forge.json
@@ -1,6 +1,6 @@
 {
   "type": "minecraft-java",
-  "display": "MinecraftForge 1.21+ - Minecraft",
+  "display": "MinecraftForge 1.17+ - Minecraft",
   "data": {
     "memory": {
       "value": "1024",
diff --git a/minecraft-ftb/minecraft-ftb-docker.json b/minecraft-ftb/minecraft-ftb-docker.json
index a82742e..816d9b4 100644
--- a/minecraft-ftb/minecraft-ftb-docker.json
+++ b/minecraft-ftb/minecraft-ftb-docker.json
@@ -1,6 +1,6 @@
 {
   "type": "minecraft-java",
-  "display": "FTB - Forge 1.21+ (Docker)",
+  "display": "FTB - Forge 1.17+ (Docker)",
   "data": {
     "eula": {
       "type": "boolean",
diff --git a/minecraft-ftb/minecraft-ftb.json b/minecraft-ftb/minecraft-ftb.json
index 836a45a..8cf7f1a 100644
--- a/minecraft-ftb/minecraft-ftb.json
+++ b/minecraft-ftb/minecraft-ftb.json
@@ -1,6 +1,6 @@
 {
   "type": "minecraft-java",
-  "display": "FTB - Forge 1.21+",
+  "display": "FTB - Forge 1.17+",
   "data": {
     "eula": {
       "type": "boolean",
diff --git a/minecraft-modpack-gtnh/minecraft-modpack-gtnh-docker.json b/minecraft-modpack-gtnh/minecraft-modpack-gtnh-docker.json
index 4836eab..0c4fe5e 100644
--- a/minecraft-modpack-gtnh/minecraft-modpack-gtnh-docker.json
+++ b/minecraft-modpack-gtnh/minecraft-modpack-gtnh-docker.json
@@ -5,7 +5,7 @@
   "install": [
     {
       "files": [
-        "http://downloads.gtnewhorizons.com/ServerPacks/GT_New_Horizons_${gtnh-ver}_Server_Java_21-19.zip"
+        "http://downloads.gtnewhorizons.com/ServerPacks/GT_New_Horizons_${gtnh-ver}_Server_Java_17-21.zip"
       ],
       "type": "download"
     },
@@ -33,7 +33,7 @@
     },
     {
       "commands": [
-        "rm GT_New_Horizons_${gtnh-ver}_Server_Java_21-19.zip"
+        "rm GT_New_Horizons_${gtnh-ver}_Server_Java_17-21.zip"
       ],
       "type": "command"
     }
@@ -56,10 +56,10 @@
     },
     "gtnh-ver": {
       "type": "string",
-      "desc": "May be located <a href='http://downloads.gtnewhorizons.com/ServerPacks/'>here</a>. E.g. \"2.2.9\" or \"2.3.0-RC-3\".",
+      "desc": "May be located <a href='http://downloads.gtnewhorizons.com/ServerPacks/'>here</a>. E.g. \"2.4.0\" or \"2.5.0-RC-1\".",
       "display": "GT: New Horizons version",
       "required": true,
-      "value": "2.3.0"
+      "value": "2.4.0"
     },
     "ip": {
       "type": "string",
@@ -97,7 +97,7 @@
   "supportedEnvironments": [
     {
       "type": "docker",
-      "image": "eclipse-temurin:21"      
+      "image": "eclipse-temurin:21"
     }
   ],
   "requirements": {
diff --git a/minecraft-modpack-gtnh/minecraft-modpack-gtnh.json b/minecraft-modpack-gtnh/minecraft-modpack-gtnh.json
index 388d1ed..f4af417 100644
--- a/minecraft-modpack-gtnh/minecraft-modpack-gtnh.json
+++ b/minecraft-modpack-gtnh/minecraft-modpack-gtnh.json
@@ -5,7 +5,7 @@
   "install": [
     {
       "files": [
-        "http://downloads.gtnewhorizons.com/ServerPacks/GT_New_Horizons_${gtnh-ver}_Server_Java_21-19.zip"
+        "http://downloads.gtnewhorizons.com/ServerPacks/GT_New_Horizons_${gtnh-ver}_Server_Java_17-21.zip"
       ],
       "type": "download"
     },
@@ -17,7 +17,7 @@
     },
     {
       "commands": [
-        "unzip -o *_${gtnh-ver}_Server_Java_21-19.zip"
+        "unzip -o *_${gtnh-ver}_Server_Java_17-21.zip"
       ],
       "type": "command"
     },
@@ -33,7 +33,7 @@
     },
     {
       "commands": [
-        "rm GT_New_Horizons_${gtnh-ver}_Server_Java_21-19.zip"
+        "rm GT_New_Horizons_${gtnh-ver}_Server_Java_17-21.zip"
       ],
       "type": "command"
     },
@@ -60,10 +60,10 @@
     },
     "gtnh-ver": {
       "type": "string",
-      "desc": "May be located <a href='http://downloads.gtnewhorizons.com/ServerPacks/'>here</a>. E.g. \"2.2.9\" or \"2.3.0-RC-3\".",
+      "desc": "May be located <a href='http://downloads.gtnewhorizons.com/ServerPacks/'>here</a>. E.g. \"2.4.0\" or \"2.5.0-RC-1\".",
       "display": "GT: New Horizons version",
       "required": true,
-      "value": "2.3.0"
+      "value": "2.4.0"
     },
     "ip": {
       "type": "string",