diff --git a/index.toml b/index.toml
index 6f18cb3..d2adbcf 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"
@@ -65,6 +70,11 @@ file = "mods/cicada.pw.toml"
 hash = "551d9247d8cbba099f84e416ac50fe322f82401eef6800d3bfa159be521acb9b"
 metafile = true
 
+[[files]]
+file = "mods/clifftree.pw.toml"
+hash = "6a5694f52f2240b10d2892692aed433fac32a0d1c0299adbdd50776b23889a3e"
+metafile = true
+
 [[files]]
 file = "mods/cloth-config.pw.toml"
 hash = "a06ef129798265e0d7249426fb0ed5c506725b0460dc3dfdb975b8978480895e"
@@ -395,11 +405,6 @@ file = "mods/simple-voice-chat.pw.toml"
 hash = "dd7d0af1d65539d7e884e88d822b6884bc1f2989ac5694420096a41c29ce53e5"
 metafile = true
 
-[[files]]
-file = "mods/skinrestorer.pw.toml"
-hash = "f089cbdd639329d456a6241f09a888460d2326c99a6a00ce7183fafba9e55266"
-metafile = true
-
 [[files]]
 file = "mods/sonic-break.pw.toml"
 hash = "95d1552fa01e1acf7eae13a61626e6265aa6b1571a40e4fecdc5274cc1144477"
@@ -440,11 +445,6 @@ file = "mods/tectonic.pw.toml"
 hash = "f19a743dcab0927ec66da55e57993563fc539c3b50733104152da71c18f8abf4"
 metafile = true
 
-[[files]]
-file = "mods/terralith.pw.toml"
-hash = "a72981ee11a90659112ddd8ef00554df2b51e9c3aabd89a66e8a1a8b94eb5b3a"
-metafile = true
-
 [[files]]
 file = "mods/too-expensive-removed.pw.toml"
 hash = "698fa0e87964ccfae79f79511ac2e3cbd3bdd828b140ed0b0e54b9e36b1899bf"
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/mods/clifftree.pw.toml b/mods/clifftree.pw.toml
new file mode 100644
index 0000000..810bcc6
--- /dev/null
+++ b/mods/clifftree.pw.toml
@@ -0,0 +1,13 @@
+name = "CliffTree"
+filename = "CliffTree-3.1.5-1.21.11_MoM.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/59ypHk8x/versions/JZIwqnbs/CliffTree-3.1.5-1.21.11_MoM.jar"
+hash-format = "sha512"
+hash = "d53aca15e1187e4bd61956c504ab6ac71099e23b478e14f52f2157c0d3f320c1f3358f23416a45e9aaa07d0b403df72660634f4307347640a9562d4b868d6669"
+
+[update]
+[update.modrinth]
+mod-id = "59ypHk8x"
+version = "JZIwqnbs"
diff --git a/mods/skinrestorer.pw.toml b/mods/skinrestorer.pw.toml
deleted file mode 100644
index 22be044..0000000
--- a/mods/skinrestorer.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "Skin Restorer"
-filename = "skinrestorer-2.8.1+1.21.11-fabric.jar"
-side = "server"
-
-[download]
-url = "https://cdn.modrinth.com/data/ghrZDhGW/versions/TxM3UGz6/skinrestorer-2.8.1%2B1.21.11-fabric.jar"
-hash-format = "sha512"
-hash = "3f15bc929a84e7511bbed2adab5e8a8ca4d711af1d18013e4198f13520498d77f7ee7358bbaa037d427e19e5ef438d94703327f42282c0e6fcccbe181d987e42"
-
-[update]
-[update.modrinth]
-mod-id = "ghrZDhGW"
-version = "TxM3UGz6"
diff --git a/mods/terralith.pw.toml b/mods/terralith.pw.toml
deleted file mode 100644
index 9b5e5b4..0000000
--- a/mods/terralith.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "Terralith"
-filename = "Terralith_1.21.11_v2.6.1_Fabric.jar"
-side = "both"
-
-[download]
-url = "https://cdn.modrinth.com/data/8oi3bsk5/versions/vVdNToqE/Terralith_1.21.11_v2.6.1_Fabric.jar"
-hash-format = "sha512"
-hash = "c502e8c18cc6b749fd3d5e8fc6e1d3fc91cdb9763c58c1c7e68c2ea69fb61f27259128171d5f50b2aaa0ea6a7753fcc293f14127110f5f4d2e2141758ffd469e"
-
-[update]
-[update.modrinth]
-mod-id = "8oi3bsk5"
-version = "vVdNToqE"
diff --git a/pack.toml b/pack.toml
index 4f258e7..c18402a 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 = "e1f54910fad5d96cc54c3c2c723082e64e0be8300d6362916f7fb6b1c827b1a0"
+hash = "6989d7b5c13fa741db8ad9fb093c4e0151149de5c92eaffa43a0145338b63777"
 
 [versions]
 fabric = "0.19.2"