diff --git a/Cargo.toml b/Cargo.toml
index b0b5a8a1..8b16fe06 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ resolver = "2"
 # --- Workspace Settings ---
 
 [workspace.package]
-version = "0.12.0"
+version = "0.11.0+mc1.21.5"
 edition = "2024"
 license = "MIT"
 repository = "https://github.com/azalea-rs/azalea"
diff --git a/azalea-auth/Cargo.toml b/azalea-auth/Cargo.toml
index 8418616f..c8760d1f 100644
--- a/azalea-auth/Cargo.toml
+++ b/azalea-auth/Cargo.toml
@@ -7,8 +7,8 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-crypto = { path = "../azalea-crypto", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-crypto = { path = "../azalea-crypto", version = "0.11.0" }
 base64.workspace = true
 chrono = { workspace = true, features = ["serde"] }
 md-5.workspace = true
diff --git a/azalea-block/Cargo.toml b/azalea-block/Cargo.toml
index ad40aeaf..7961901c 100644
--- a/azalea-block/Cargo.toml
+++ b/azalea-block/Cargo.toml
@@ -7,6 +7,6 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-block-macros = { path = "./azalea-block-macros", version = "0.12.0" }
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
+azalea-block-macros = { path = "./azalea-block-macros", version = "0.11.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
diff --git a/azalea-brigadier/Cargo.toml b/azalea-brigadier/Cargo.toml
index 19c404c4..bae31992 100644
--- a/azalea-brigadier/Cargo.toml
+++ b/azalea-brigadier/Cargo.toml
@@ -11,8 +11,8 @@ bevy_app.workspace = true
 bevy_ecs.workspace = true
 
 [dependencies]
-azalea-buf = { path = "../azalea-buf", version = "0.12.0", optional = true }
-azalea-chat = { path = "../azalea-chat", version = "0.12.0", optional = true }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0", optional = true }
+azalea-chat = { path = "../azalea-chat", version = "0.11.0", optional = true }
 parking_lot.workspace = true
 
 [features]
diff --git a/azalea-buf/Cargo.toml b/azalea-buf/Cargo.toml
index 50177e4c..d8a36044 100644
--- a/azalea-buf/Cargo.toml
+++ b/azalea-buf/Cargo.toml
@@ -7,7 +7,7 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-buf-macros = { path = "./azalea-buf-macros", version = "0.12.0" }
+azalea-buf-macros = { path = "./azalea-buf-macros", version = "0.11.0" }
 byteorder.workspace = true
 serde_json = { workspace = true, optional = true }
 simdnbt.workspace = true
diff --git a/azalea-chat/Cargo.toml b/azalea-chat/Cargo.toml
index 3b32b7b9..04505295 100644
--- a/azalea-chat/Cargo.toml
+++ b/azalea-chat/Cargo.toml
@@ -16,8 +16,8 @@ numbers = ["dep:azalea-registry", "dep:simdnbt"]
 azalea-buf = { path = "../azalea-buf", version = "0.11.0", optional = true, features = [
     "serde_json",
 ] }
-azalea-language = { path = "../azalea-language", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0", optional = true }
+azalea-language = { path = "../azalea-language", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0", optional = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json.workspace = true
 simdnbt = { workspace = true, optional = true }
diff --git a/azalea-client/Cargo.toml b/azalea-client/Cargo.toml
index ae00d1cf..3476f82e 100644
--- a/azalea-client/Cargo.toml
+++ b/azalea-client/Cargo.toml
@@ -7,18 +7,18 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-auth = { path = "../azalea-auth", version = "0.12.0" }
-azalea-block = { path = "../azalea-block", version = "0.12.0" }
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-chat = { path = "../azalea-chat", version = "0.12.0" }
-azalea-core = { path = "../azalea-core", version = "0.12.0" }
-azalea-crypto = { path = "../azalea-crypto", version = "0.12.0" }
-azalea-entity = { path = "../azalea-entity", version = "0.12.0" }
-azalea-inventory = { path = "../azalea-inventory", version = "0.12.0" }
-azalea-physics = { path = "../azalea-physics", version = "0.12.0" }
-azalea-protocol = { path = "../azalea-protocol", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
-azalea-world = { path = "../azalea-world", version = "0.12.0" }
+azalea-auth = { path = "../azalea-auth", version = "0.11.0" }
+azalea-block = { path = "../azalea-block", version = "0.11.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-chat = { path = "../azalea-chat", version = "0.11.0" }
+azalea-core = { path = "../azalea-core", version = "0.11.0" }
+azalea-crypto = { path = "../azalea-crypto", version = "0.11.0" }
+azalea-entity = { path = "../azalea-entity", version = "0.11.0" }
+azalea-inventory = { path = "../azalea-inventory", version = "0.11.0" }
+azalea-physics = { path = "../azalea-physics", version = "0.11.0" }
+azalea-protocol = { path = "../azalea-protocol", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
+azalea-world = { path = "../azalea-world", version = "0.11.0" }
 bevy_app.workspace = true
 bevy_ecs.workspace = true
 bevy_log = { workspace = true, optional = true }
diff --git a/azalea-core/Cargo.toml b/azalea-core/Cargo.toml
index 89442649..85eef1f4 100644
--- a/azalea-core/Cargo.toml
+++ b/azalea-core/Cargo.toml
@@ -7,15 +7,15 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
 bevy_ecs = { workspace = true, optional = true }
 nohash-hasher.workspace = true
 num-traits.workspace = true
 serde = { workspace = true, optional = true }
 simdnbt.workspace = true
 tracing.workspace = true
-azalea-chat = { path = "../azalea-chat", version = "0.12.0" }
+azalea-chat = { path = "../azalea-chat", version = "0.11.0" }
 indexmap.workspace = true
 
 [features]
diff --git a/azalea-crypto/Cargo.toml b/azalea-crypto/Cargo.toml
index e055f6aa..924ec99c 100644
--- a/azalea-crypto/Cargo.toml
+++ b/azalea-crypto/Cargo.toml
@@ -11,7 +11,7 @@ criterion.workspace = true
 
 [dependencies]
 aes.workspace = true
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
 cfb8.workspace = true
 num-bigint.workspace = true
 rand = { workspace = true, features = ["getrandom"] }
diff --git a/azalea-entity/Cargo.toml b/azalea-entity/Cargo.toml
index 9eb17da7..3c5e12d6 100644
--- a/azalea-entity/Cargo.toml
+++ b/azalea-entity/Cargo.toml
@@ -7,15 +7,15 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-block = { path = "../azalea-block", version = "0.12.0" }
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
+azalea-block = { path = "../azalea-block", version = "0.11.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
 azalea-chat = { path = "../azalea-chat", version = "0.11.0", features = [
     "azalea-buf",
 ] }
-azalea-core = { path = "../azalea-core", version = "0.12.0" }
-azalea-inventory = { path = "../azalea-inventory", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
-azalea-world = { path = "../azalea-world", version = "0.12.0" }
+azalea-core = { path = "../azalea-core", version = "0.11.0" }
+azalea-inventory = { path = "../azalea-inventory", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
+azalea-world = { path = "../azalea-world", version = "0.11.0" }
 bevy_app.workspace = true
 bevy_ecs.workspace = true
 derive_more.workspace = true
diff --git a/azalea-inventory/Cargo.toml b/azalea-inventory/Cargo.toml
index af0dd7f1..e56392b1 100644
--- a/azalea-inventory/Cargo.toml
+++ b/azalea-inventory/Cargo.toml
@@ -7,13 +7,13 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
 azalea-chat = { path = "../azalea-chat", version = "0.11.0", features = [
     "azalea-buf",
 ] }
-azalea-core = { path = "../azalea-core", version = "0.12.0" }
-azalea-inventory-macros = { path = "./azalea-inventory-macros", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
+azalea-core = { path = "../azalea-core", version = "0.11.0" }
+azalea-inventory-macros = { path = "./azalea-inventory-macros", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
 indexmap.workspace = true
 
 simdnbt.workspace = true
diff --git a/azalea-physics/Cargo.toml b/azalea-physics/Cargo.toml
index c6e25882..c75b8d17 100644
--- a/azalea-physics/Cargo.toml
+++ b/azalea-physics/Cargo.toml
@@ -11,12 +11,12 @@ bevy_time.workspace = true
 uuid.workspace = true
 
 [dependencies]
-azalea-block = { path = "../azalea-block", version = "0.12.0" }
-azalea-core = { path = "../azalea-core", version = "0.12.0" }
-azalea-entity = { version = "0.12.0", path = "../azalea-entity" }
-azalea-inventory = { version = "0.12.0", path = "../azalea-inventory" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
-azalea-world = { path = "../azalea-world", version = "0.12.0" }
+azalea-block = { path = "../azalea-block", version = "0.11.0" }
+azalea-core = { path = "../azalea-core", version = "0.11.0" }
+azalea-entity = { version = "0.11.0", path = "../azalea-entity" }
+azalea-inventory = { version = "0.11.0", path = "../azalea-inventory" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
+azalea-world = { path = "../azalea-world", version = "0.11.0" }
 bevy_app.workspace = true
 bevy_ecs.workspace = true
 tracing.workspace = true
diff --git a/azalea-protocol/Cargo.toml b/azalea-protocol/Cargo.toml
index 587b3b0f..dec299fc 100644
--- a/azalea-protocol/Cargo.toml
+++ b/azalea-protocol/Cargo.toml
@@ -13,12 +13,12 @@ tracing-subscriber.workspace = true
 
 [dependencies]
 async-recursion.workspace = true
-azalea-auth = { path = "../azalea-auth", version = "0.12.0" }
-azalea-block = { path = "../azalea-block", version = "0.12.0", default-features = false }
+azalea-auth = { path = "../azalea-auth", version = "0.11.0" }
+azalea-block = { path = "../azalea-block", version = "0.11.0", default-features = false }
 azalea-brigadier = { path = "../azalea-brigadier", version = "0.11.0", features = [
     "azalea-buf",
 ] }
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
 azalea-chat = { path = "../azalea-chat", version = "0.11.0", features = [
     "numbers",
     "azalea-buf",
@@ -26,12 +26,12 @@ azalea-chat = { path = "../azalea-chat", version = "0.11.0", features = [
 azalea-core = { path = "../azalea-core", version = "0.11.0", optional = true, features = [
     "serde",
 ] }
-azalea-crypto = { path = "../azalea-crypto", version = "0.12.0" }
-azalea-entity = { path = "../azalea-entity", version = "0.12.0" }
-azalea-inventory = { path = "../azalea-inventory", version = "0.12.0" }
-azalea-protocol-macros = { path = "./azalea-protocol-macros", version = "0.12.0" }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
-azalea-world = { path = "../azalea-world", version = "0.12.0" }
+azalea-crypto = { path = "../azalea-crypto", version = "0.11.0" }
+azalea-entity = { path = "../azalea-entity", version = "0.11.0" }
+azalea-inventory = { path = "../azalea-inventory", version = "0.11.0" }
+azalea-protocol-macros = { path = "./azalea-protocol-macros", version = "0.11.0" }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
+azalea-world = { path = "../azalea-world", version = "0.11.0" }
 bevy_ecs.workspace = true
 # byteorder.workspace = true
 flate2.workspace = true
diff --git a/azalea-registry/Cargo.toml b/azalea-registry/Cargo.toml
index d5cdd3f3..940c61b5 100644
--- a/azalea-registry/Cargo.toml
+++ b/azalea-registry/Cargo.toml
@@ -7,8 +7,8 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-registry-macros = { path = "./azalea-registry-macros", version = "0.12.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-registry-macros = { path = "./azalea-registry-macros", version = "0.11.0" }
 serde = { workspace = true, optional = true, features = ["derive"] }
 simdnbt.workspace = true
 
diff --git a/azalea-world/Cargo.toml b/azalea-world/Cargo.toml
index 2e651b27..5354259e 100644
--- a/azalea-world/Cargo.toml
+++ b/azalea-world/Cargo.toml
@@ -11,10 +11,10 @@ azalea-client = { path = "../azalea-client" }
 criterion = "0.5.1"
 
 [dependencies]
-azalea-block = { path = "../azalea-block", default-features = false, version = "0.12.0" }
-azalea-buf = { path = "../azalea-buf", version = "0.12.0" }
-azalea-core = { path = "../azalea-core", version = "0.12.0", features = ["bevy_ecs"] }
-azalea-registry = { path = "../azalea-registry", version = "0.12.0" }
+azalea-block = { path = "../azalea-block", default-features = false, version = "0.11.0" }
+azalea-buf = { path = "../azalea-buf", version = "0.11.0" }
+azalea-core = { path = "../azalea-core", version = "0.11.0", features = ["bevy_ecs"] }
+azalea-registry = { path = "../azalea-registry", version = "0.11.0" }
 bevy_ecs.workspace = true
 derive_more = { workspace = true, features = ["deref", "deref_mut"] }
 nohash-hasher.workspace = true
diff --git a/azalea/Cargo.toml b/azalea/Cargo.toml
index 7ec9635d..33730361 100644
--- a/azalea/Cargo.toml
+++ b/azalea/Cargo.toml
@@ -13,19 +13,19 @@ pre-release-replacements = [
 
 [dependencies]
 #async-trait.workspace = true
-azalea-auth = { version = "0.12.0", path = "../azalea-auth" }
-azalea-block = { version = "0.12.0", path = "../azalea-block" }
-azalea-brigadier = { version = "0.12.0", path = "../azalea-brigadier" }
-azalea-buf = { version = "0.12.0", path = "../azalea-buf" }
-azalea-chat = { version = "0.12.0", path = "../azalea-chat" }
-azalea-client = { version = "0.12.0", path = "../azalea-client", default-features = false }
-azalea-core = { version = "0.12.0", path = "../azalea-core" }
-azalea-entity = { version = "0.12.0", path = "../azalea-entity" }
-azalea-inventory = { version = "0.12.0", path = "../azalea-inventory" }
-azalea-physics = { version = "0.12.0", path = "../azalea-physics" }
-azalea-protocol = { version = "0.12.0", path = "../azalea-protocol" }
-azalea-registry = { version = "0.12.0", path = "../azalea-registry" }
-azalea-world = { version = "0.12.0", path = "../azalea-world" }
+azalea-auth = { version = "0.11.0", path = "../azalea-auth" }
+azalea-block = { version = "0.11.0", path = "../azalea-block" }
+azalea-brigadier = { version = "0.11.0", path = "../azalea-brigadier" }
+azalea-buf = { version = "0.11.0", path = "../azalea-buf" }
+azalea-chat = { version = "0.11.0", path = "../azalea-chat" }
+azalea-client = { version = "0.11.0", path = "../azalea-client", default-features = false }
+azalea-core = { version = "0.11.0", path = "../azalea-core" }
+azalea-entity = { version = "0.11.0", path = "../azalea-entity" }
+azalea-inventory = { version = "0.11.0", path = "../azalea-inventory" }
+azalea-physics = { version = "0.11.0", path = "../azalea-physics" }
+azalea-protocol = { version = "0.11.0", path = "../azalea-protocol" }
+azalea-registry = { version = "0.11.0", path = "../azalea-registry" }
+azalea-world = { version = "0.11.0", path = "../azalea-world" }
 bevy_app.workspace = true
 bevy_ecs.workspace = true
 bevy_log.workspace = true