diff --git a/client_pack/index.toml b/client_pack/index.toml
index ecda4b3..d2c66c4 100644
--- a/client_pack/index.toml
+++ b/client_pack/index.toml
@@ -874,7 +874,7 @@ metafile = true
 
 [[files]]
 file = "mods/unionlib.pw.toml"
-hash = "13d819170b259def0a0aa10154ef85d041e50ab623da22d125c99a0cbe68a14c"
+hash = "c511a165010a1a0fce0e26f59eb2f75fcc98e6cb412ce5fc5e6a8ff188413aef"
 metafile = true
 
 [[files]]
diff --git a/client_pack/mods/unionlib.pw.toml b/client_pack/mods/unionlib.pw.toml
index 61c2a8a..d2e0bda 100644
--- a/client_pack/mods/unionlib.pw.toml
+++ b/client_pack/mods/unionlib.pw.toml
@@ -1,13 +1,13 @@
 name = "unionlib"
-filename = "UnionLib-1.21.1-13.0-Fabric.jar"
+filename = "UnionLib-1.21.1-12.0.9-Fabric.jar"
 side = "both"
 
 [download]
-url = "https://cdn.modrinth.com/data/EkkPwdCY/versions/BNJaVOT0/UnionLib-1.21.1-13.0-Fabric.jar"
+url = "https://cdn.modrinth.com/data/EkkPwdCY/versions/WOlAyoaA/UnionLib-1.21.1-12.0.9-Fabric.jar"
 hash-format = "sha512"
-hash = "4f66c257d6e186c599b6e80657a50ea01e543ba71dab933e1a530591fa68b036392a0a66a778a5efaed764e77497503448d52f883cbaa6c8c4bf2e571a7b3156"
+hash = "2dc7c06c638778b7a724214cce78bfbabf7a1e0288438d90f758b077a4ccfa468f0518b0d966de8f799b21fdc371055f1f6f7345cbfb9ae16f653039b80870de"
 
 [update]
 [update.modrinth]
 mod-id = "EkkPwdCY"
-version = "BNJaVOT0"
+version = "WOlAyoaA"
diff --git a/client_pack/pack.toml b/client_pack/pack.toml
index 13ae487..606e5a3 100644
--- a/client_pack/pack.toml
+++ b/client_pack/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "f926a50afae3e8cce9cde0a67d50e01d08b5275ac1b992bcf78cdbba29963cac"
+hash = "6d9f246680e35507f617c700eebdfa512ca3470046a9958fe17e9ba838bcdd5e"
 
 [versions]
 fabric = "0.19.3"
diff --git a/server_pack/index.toml b/server_pack/index.toml
index eb5afdd..3df1f5b 100644
--- a/server_pack/index.toml
+++ b/server_pack/index.toml
@@ -691,7 +691,7 @@ metafile = true
 
 [[files]]
 file = "mods/unionlib.pw.toml"
-hash = "13d819170b259def0a0aa10154ef85d041e50ab623da22d125c99a0cbe68a14c"
+hash = "c511a165010a1a0fce0e26f59eb2f75fcc98e6cb412ce5fc5e6a8ff188413aef"
 metafile = true
 
 [[files]]
diff --git a/server_pack/mods/unionlib.pw.toml b/server_pack/mods/unionlib.pw.toml
index 61c2a8a..d2e0bda 100644
--- a/server_pack/mods/unionlib.pw.toml
+++ b/server_pack/mods/unionlib.pw.toml
@@ -1,13 +1,13 @@
 name = "unionlib"
-filename = "UnionLib-1.21.1-13.0-Fabric.jar"
+filename = "UnionLib-1.21.1-12.0.9-Fabric.jar"
 side = "both"
 
 [download]
-url = "https://cdn.modrinth.com/data/EkkPwdCY/versions/BNJaVOT0/UnionLib-1.21.1-13.0-Fabric.jar"
+url = "https://cdn.modrinth.com/data/EkkPwdCY/versions/WOlAyoaA/UnionLib-1.21.1-12.0.9-Fabric.jar"
 hash-format = "sha512"
-hash = "4f66c257d6e186c599b6e80657a50ea01e543ba71dab933e1a530591fa68b036392a0a66a778a5efaed764e77497503448d52f883cbaa6c8c4bf2e571a7b3156"
+hash = "2dc7c06c638778b7a724214cce78bfbabf7a1e0288438d90f758b077a4ccfa468f0518b0d966de8f799b21fdc371055f1f6f7345cbfb9ae16f653039b80870de"
 
 [update]
 [update.modrinth]
 mod-id = "EkkPwdCY"
-version = "BNJaVOT0"
+version = "WOlAyoaA"
diff --git a/server_pack/pack.toml b/server_pack/pack.toml
index baf8297..e7e730e 100644
--- a/server_pack/pack.toml
+++ b/server_pack/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "8209f94023fc321735bea2549b7e3c1618b951bc21e6d78479f14c58f1a2951d"
+hash = "286784d8dfed734859b188a63f2a10461face4d9a7df159d7c1bd368d0e9e219"
 
 [versions]
 fabric = "0.19.3"