diff --git a/paper-server/patches/features/0032-1.21.6-patch.patch b/paper-server/patches/features/0032-1.21.6-patch.patch
new file mode 100644
index 00000000000..f137c84c35e
--- /dev/null
+++ b/paper-server/patches/features/0032-1.21.6-patch.patch
@@ -0,0 +1,55 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Nassim Jahnke <nassim@njahnke.dev>
+Date: Tue, 17 Jun 2025 04:53:03 +0200
+Subject: [PATCH] 1.21.6 patch
+
+
+diff --git a/net/minecraft/DetectedVersion.java b/net/minecraft/DetectedVersion.java
+index 08d96a04e49f5c17d85c9015693a8ef4e6a476c6..d2fde575226633ad00446b44222a39b9f3d25952 100644
+--- a/net/minecraft/DetectedVersion.java
++++ b/net/minecraft/DetectedVersion.java
+@@ -20,13 +20,13 @@ public class DetectedVersion {
+     private static WorldVersion createFromConstants() {
+         return new WorldVersion.Simple(
+             UUID.randomUUID().toString().replaceAll("-", ""),
+-            "1.21.6-rc1",
++            "1.21.6",
+             new DataVersion(4434, "main"),
+             SharedConstants.getProtocolVersion(),
+             63,
+             80,
+             new Date(),
+-            false
++            true
+         );
+     }
+ 
+diff --git a/net/minecraft/SharedConstants.java b/net/minecraft/SharedConstants.java
+index fdb3fc9b610f013d0e13936316fbba6c19bb21b0..dbb7414895e3720bd02083826ef60fdfc3f96398 100644
+--- a/net/minecraft/SharedConstants.java
++++ b/net/minecraft/SharedConstants.java
+@@ -10,13 +10,13 @@ import net.minecraft.world.level.ChunkPos;
+ 
+ public class SharedConstants {
+     @Deprecated
+-    public static final boolean SNAPSHOT = true;
++    public static final boolean SNAPSHOT = false;
+     @Deprecated
+     public static final int WORLD_VERSION = 4434;
+     @Deprecated
+     public static final String SERIES = "main";
+     @Deprecated
+-    public static final String VERSION_STRING = "1.21.6-rc1";
++    public static final String VERSION_STRING = "1.21.6";
+     @Deprecated
+     public static final int RELEASE_NETWORK_PROTOCOL_VERSION = 771;
+     @Deprecated
+@@ -165,7 +165,7 @@ public class SharedConstants {
+     }
+ 
+     public static int getProtocolVersion() {
+-        return 1073742080;
++        return RELEASE_NETWORK_PROTOCOL_VERSION;
+     }
+ 
+     public static boolean debugVoidTerrain(ChunkPos chunkPos) {
diff --git a/paper-server/patches/resources/version.json.patch b/paper-server/patches/resources/version.json.patch
new file mode 100644
index 00000000000..00e1d92ba5f
--- /dev/null
+++ b/paper-server/patches/resources/version.json.patch
@@ -0,0 +1,23 @@
+--- a/version.json
++++ b/version.json
+@@ -1,9 +_,9 @@
+ {
+-    "id": "1.21.6-rc1",
+-    "name": "1.21.6 Release Candidate 1",
++    "id": "1.21.6",
++    "name": "1.21.6",
+     "world_version": 4434,
+     "series_id": "main",
+-    "protocol_version": 1073742080,
++    "protocol_version": 771,
+     "pack_version": {
+         "resource": 63,
+         "data": 80
+@@ -11,6 +_,6 @@
+     "build_time": "2025-06-12T12:01:32+00:00",
+     "java_component": "java-runtime-delta",
+     "java_version": 21,
+-    "stable": false,
++    "stable": true,
+     "use_editor": false
+ }