diff --git a/index.toml b/index.toml
index 1237cf0..ad81d3c 100644
--- a/index.toml
+++ b/index.toml
@@ -10,6 +10,11 @@ file = "mods/alternate-current.pw.toml"
 hash = "fc8ffe66dc0c7eb55cf2ce38d1ae4bf1c4cdfbfdcda2636b1cd140c851e03cc5"
 metafile = true
 
+[[files]]
+file = "mods/alternative-authentication.pw.toml"
+hash = "38bd759582aab1b4cabd14f2710f27cc657ebb79517a3a955cbd37fc437aa777"
+metafile = true
+
 [[files]]
 file = "mods/anti-xray.pw.toml"
 hash = "9d1afa5a89577bd21da0708c13d66f32224d5f7817451d9c41f5d9b76dcea9b6"
diff --git a/mods/alternative-authentication.pw.toml b/mods/alternative-authentication.pw.toml
new file mode 100644
index 0000000..51a6201
--- /dev/null
+++ b/mods/alternative-authentication.pw.toml
@@ -0,0 +1,13 @@
+name = "Alternative Authentication"
+filename = "alternative-auth-1.3.0+1.21.9-1.21.11.jar"
+side = "server"
+
+[download]
+url = "https://cdn.modrinth.com/data/iF6szt3y/versions/yofGbAj8/alternative-auth-1.3.0%2B1.21.9-1.21.11.jar"
+hash-format = "sha512"
+hash = "b328f193121dbdba66506267f809bf471f0bb75ff7eacdefcc8bf16af920800db166193dc3b6e230e5aabc5aace3daf585398533759602dd39c849c5e02bbc53"
+
+[update]
+[update.modrinth]
+mod-id = "iF6szt3y"
+version = "yofGbAj8"
diff --git a/pack.toml b/pack.toml
index dace2a5..00af512 100644
--- a/pack.toml
+++ b/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "5a9f3a7b3725f01d30489e503ce65d3759ade091223098b02d03d55ba1eb0f25"
+hash = "7bef3c6d20c3d6bf8ec8fbfe9d2b24960b5b00876ead085f7a7abf3296a05f13"
 
 [versions]
 fabric = "0.19.2"