diff --git a/Cargo.lock b/Cargo.lock
index fdaaac3b..0aa19914 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -209,7 +209,7 @@ checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
 [[package]]
 name = "azalea"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "anyhow",
  "azalea-auth",
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-auth"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-crypto",
@@ -269,7 +269,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-block"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-block-macros",
  "azalea-buf",
@@ -278,7 +278,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-block-macros"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -287,7 +287,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-brigadier"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-chat",
@@ -298,7 +298,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-buf"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf-macros",
  "byteorder",
@@ -311,7 +311,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-buf-macros"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -320,7 +320,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-chat"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-language",
@@ -333,7 +333,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-client"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "anyhow",
  "async-compat",
@@ -370,7 +370,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-core"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-chat",
@@ -386,7 +386,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-crypto"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "aes",
  "azalea-buf",
@@ -403,7 +403,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-entity"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-block",
  "azalea-buf",
@@ -426,7 +426,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-inventory"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-chat",
@@ -441,7 +441,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-inventory-macros"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -450,7 +450,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-language"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "compact_str",
  "serde",
@@ -459,7 +459,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-physics"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-block",
  "azalea-core",
@@ -477,7 +477,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-protocol"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "anyhow",
  "async-recursion",
@@ -513,7 +513,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-protocol-macros"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -522,7 +522,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-registry"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-buf",
  "azalea-registry-macros",
@@ -532,7 +532,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-registry-macros"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "quote",
  "syn",
@@ -540,7 +540,7 @@ dependencies = [
 
 [[package]]
 name = "azalea-world"
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 dependencies = [
  "azalea-block",
  "azalea-buf",
diff --git a/Cargo.toml b/Cargo.toml
index ea5da33e..faec34e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ resolver = "2"
 # --- Workspace Settings ---
 
 [workspace.package]
-version = "0.13.0+mc1.21.6"
+version = "0.13.0+mc1.21.7-rc1"
 edition = "2024"
 license = "MIT"
 repository = "https://github.com/azalea-rs/azalea"
diff --git a/README.md b/README.md
index 5ac72b45..9b51c0ef 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A collection of Rust crates for making Minecraft bots, clients, and tools.
 
 <!-- The line below is automatically read and updated by the migrate script, so don't change it manually. -->
 
-_Currently supported Minecraft version: `1.21.6`._
+_Currently supported Minecraft version: `1.21.7-rc1`._
 
 > [!WARNING]
 > Azalea is still unfinished, though most crates are in a useable state.
diff --git a/azalea-language/src/en_us.json b/azalea-language/src/en_us.json
index 32f997bf..dcce9a30 100644
--- a/azalea-language/src/en_us.json
+++ b/azalea-language/src/en_us.json
@@ -4355,6 +4355,8 @@
   "item.minecraft.music_disc_creator.desc": "Lena Raine - Creator",
   "item.minecraft.music_disc_far": "Music Disc",
   "item.minecraft.music_disc_far.desc": "C418 - far",
+  "item.minecraft.music_disc_lava_chicken": "Music Disc",
+  "item.minecraft.music_disc_lava_chicken.desc": "Hyper Potions - Lava Chicken",
   "item.minecraft.music_disc_mall": "Music Disc",
   "item.minecraft.music_disc_mall.desc": "C418 - mall",
   "item.minecraft.music_disc_mellohi": "Music Disc",
@@ -4751,6 +4753,7 @@
   "jukebox_song.minecraft.creator": "Lena Raine - Creator",
   "jukebox_song.minecraft.creator_music_box": "Lena Raine - Creator (Music Box)",
   "jukebox_song.minecraft.far": "C418 - far",
+  "jukebox_song.minecraft.lava_chicken": "Hyper Potions - Lava Chicken",
   "jukebox_song.minecraft.mall": "C418 - mall",
   "jukebox_song.minecraft.mellohi": "C418 - mellohi",
   "jukebox_song.minecraft.otherside": "Lena Raine - otherside",
@@ -5816,6 +5819,8 @@
   "painting.minecraft.courbet.title": "Bonjour Monsieur Courbet",
   "painting.minecraft.creebet.author": "Kristoffer Zetterstrand",
   "painting.minecraft.creebet.title": "Creebet",
+  "painting.minecraft.dennis.author": "Sarah Boeving",
+  "painting.minecraft.dennis.title": "Dennis",
   "painting.minecraft.donkey_kong.author": "Kristoffer Zetterstrand",
   "painting.minecraft.donkey_kong.title": "Kong",
   "painting.minecraft.earth.author": "Mojang",
diff --git a/azalea-protocol/src/packets/mod.rs b/azalea-protocol/src/packets/mod.rs
index 09426b8d..1768db33 100644
--- a/azalea-protocol/src/packets/mod.rs
+++ b/azalea-protocol/src/packets/mod.rs
@@ -11,8 +11,8 @@ use azalea_buf::{AzaleaReadVar, AzaleaWrite, AzaleaWriteVar, BufReadError};
 
 use crate::read::ReadPacketError;
 
-pub const PROTOCOL_VERSION: i32 = 771;
-pub const VERSION_NAME: &str = "1.21.6";
+pub const PROTOCOL_VERSION: i32 = 1073742081;
+pub const VERSION_NAME: &str = "1.21.7-rc1";
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum ConnectionProtocol {
diff --git a/azalea-registry/src/lib.rs b/azalea-registry/src/lib.rs
index 8607426d..8ab12853 100644
--- a/azalea-registry/src/lib.rs
+++ b/azalea-registry/src/lib.rs
@@ -3158,6 +3158,7 @@ enum Item {
     MusicDiscCreator => "minecraft:music_disc_creator",
     MusicDiscCreatorMusicBox => "minecraft:music_disc_creator_music_box",
     MusicDiscFar => "minecraft:music_disc_far",
+    MusicDiscLavaChicken => "minecraft:music_disc_lava_chicken",
     MusicDiscMall => "minecraft:music_disc_mall",
     MusicDiscMellohi => "minecraft:music_disc_mellohi",
     MusicDiscStal => "minecraft:music_disc_stal",
@@ -4831,6 +4832,7 @@ enum SoundEvent {
     MusicDiscCat => "minecraft:music_disc.cat",
     MusicDiscChirp => "minecraft:music_disc.chirp",
     MusicDiscFar => "minecraft:music_disc.far",
+    MusicDiscLavaChicken => "minecraft:music_disc.lava_chicken",
     MusicDiscMall => "minecraft:music_disc.mall",
     MusicDiscMellohi => "minecraft:music_disc.mellohi",
     MusicDiscPigstep => "minecraft:music_disc.pigstep",
diff --git a/codegen/lib/download.py b/codegen/lib/download.py
index a557b523..bc2383ef 100644
--- a/codegen/lib/download.py
+++ b/codegen/lib/download.py
@@ -234,5 +234,5 @@ def clear_version_cache():
     pumpkin_path = get_dir_location("__cache__/pumpkin-extractor")
     if os.path.exists(pumpkin_path):
         os.system(
-            f"cd {pumpkin_path} && git add . && git stash && git pull && git stash pop"
+            f"cd {pumpkin_path} && git add . && git stash && git pull && git stash pop && git checkout HEAD -- src/main/resources/fabric.mod.json"
         )