diff --git a/index.toml b/index.toml
index 5fe3ef5..23d4b97 100644
--- a/index.toml
+++ b/index.toml
@@ -1963,8 +1963,8 @@ hash = "f2c0622c62970b1bec85f1e09d093bd9ed1802311e57786fb1779e806b38a3a5"
 metafile = true
 
 [[files]]
-file = "mods/kevs-tierify-modifiers.pw.toml"
-hash = "6f4e8d0a9e459503ca226bf1c95c78f6b33717b08f0b916117d68dae636c6357"
+file = "mods/kevs-tieredz-modifiers.pw.toml"
+hash = "739da9fcd21cdba82b3f03ece4e38ae2a04aa6db039568b2f635e8f352624532"
 metafile = true
 
 [[files]]
@@ -1987,6 +1987,11 @@ file = "mods/letsdo-camping-fabric-1.0.0.pw.toml"
 hash = "ee9665b184b4134920dc19d105e3e6de3a98ae47bc0f06d6b4e392668d94131e"
 metafile = true
 
+[[files]]
+file = "mods/libz.pw.toml"
+hash = "18c5ea7c56454fab1b7c959d50b366e05ddcedfa90cb8dc2faf45ad3a5db11a0"
+metafile = true
+
 [[files]]
 file = "mods/lithium-fabric-mc1.20.1-0.11.2.pw.toml"
 hash = "4750cba4930531eb7755ef487194f5ffce103b01fc74f6ebb9f8e1d6d234a607"
@@ -2308,8 +2313,8 @@ hash = "b187f0343469f89f2fa3f94ac7d4d8e242950c38bd1960492575079e7553f3c3"
 metafile = true
 
 [[files]]
-file = "mods/tierify.pw.toml"
-hash = "96ea19d3a88cda4685efc8ac4bade8742267095cce5553bb4c1cbcb2f84c2c62"
+file = "mods/tieredz.pw.toml"
+hash = "2f0c925835e708089d56ebd9723eb25c5547b2de2fa96f7c03881fa832912a39"
 metafile = true
 
 [[files]]
diff --git a/mods/kevs-tieredz-modifiers.pw.toml b/mods/kevs-tieredz-modifiers.pw.toml
new file mode 100644
index 0000000..147c4c2
--- /dev/null
+++ b/mods/kevs-tieredz-modifiers.pw.toml
@@ -0,0 +1,13 @@
+name = "Kev's TieredZ Modifiers"
+filename = "kevstieredzmodifiers-2.1.3.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/Bb3Fi2JX/versions/OvagV5Au/kevstieredzmodifiers-2.1.3.jar"
+hash-format = "sha1"
+hash = "709b540241a198f449a62c4a4aab11acaae10b1f"
+
+[update]
+[update.modrinth]
+mod-id = "Bb3Fi2JX"
+version = "OvagV5Au"
diff --git a/mods/kevs-tierify-modifiers.pw.toml b/mods/kevs-tierify-modifiers.pw.toml
deleted file mode 100644
index e8a5351..0000000
--- a/mods/kevs-tierify-modifiers.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "Kev's Tierify Modifiers"
-filename = "kevstierifymodifiers-1.2.4.jar"
-side = "both"
-
-[download]
-hash-format = "sha1"
-hash = "e4229a540a187aa632d4f175697d52b990ed4af7"
-mode = "metadata:curseforge"
-
-[update]
-[update.curseforge]
-file-id = 5283292
-project-id = 983756
diff --git a/mods/libz.pw.toml b/mods/libz.pw.toml
new file mode 100644
index 0000000..cec7411
--- /dev/null
+++ b/mods/libz.pw.toml
@@ -0,0 +1,13 @@
+name = "LibZ"
+filename = "libz-1.0.3.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/yUBXc3AH/versions/BEPAjfEE/libz-1.0.3.jar"
+hash-format = "sha1"
+hash = "bdd66120c88a66de9c1ec997404ad5121b3f2f7f"
+
+[update]
+[update.modrinth]
+mod-id = "yUBXc3AH"
+version = "BEPAjfEE"
diff --git a/mods/tieredz.pw.toml b/mods/tieredz.pw.toml
new file mode 100644
index 0000000..e0ea620
--- /dev/null
+++ b/mods/tieredz.pw.toml
@@ -0,0 +1,13 @@
+name = "TieredZ"
+filename = "tiered-1.3.3.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/z6sMEexp/versions/GFUW7N2P/tiered-1.3.3.jar"
+hash-format = "sha1"
+hash = "57bd2de3b230c501ca6538832f9ca1ce5d2f5375"
+
+[update]
+[update.modrinth]
+mod-id = "z6sMEexp"
+version = "GFUW7N2P"
diff --git a/mods/tierify.pw.toml b/mods/tierify.pw.toml
deleted file mode 100644
index d8194e0..0000000
--- a/mods/tierify.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "Tierify"
-filename = "Tierify-FABRIC-1.20.1-1.1.0.jar"
-side = "both"
-
-[download]
-hash-format = "sha1"
-hash = "1adb20c7b79f826c01ccd41c1ee4ffe3c7fb14f5"
-mode = "metadata:curseforge"
-
-[update]
-[update.curseforge]
-file-id = 5111351
-project-id = 974356
diff --git a/pack.toml b/pack.toml
index 78783c0..6574876 100644
--- a/pack.toml
+++ b/pack.toml
@@ -4,7 +4,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "73f31499fb942002f571ba429e4bcd772bae42ccaa167b512de27b44fdc63003"
+hash = "7955d457e40da9a0f8b6a6f864f8d74b02c0186a4492be33f57d021b1571e4cc"
 
 [versions]
 fabric = "0.16.0"