diff --git a/index.toml b/index.toml
index 0a94379..30c4dc5 100644
--- a/index.toml
+++ b/index.toml
@@ -84,11 +84,6 @@ file = "mods/bettermultiplayersleep.pw.toml"
 hash = "0d29603ff776063154ca02a9bf89a21d6c7b2905ac44d5fce9c631c1380e263f"
 metafile = true
 
-[[files]]
-file = "mods/bl4cks-sit.pw.toml"
-hash = "ff0fd26818393e15ee5759d3e9f1b74ead487d6271c37abb765dcab695cbddf9"
-metafile = true
-
 [[files]]
 file = "mods/c2me-fabric.pw.toml"
 hash = "037350c2aa47c78e4223154291da5d6dd51e515015d78741f64d3d7b71e25111"
@@ -194,6 +189,11 @@ file = "mods/free-the-end.pw.toml"
 hash = "f9fdcd47e9d1305a91a44614165c3053d8aeedce8f36aa788cb1d4e9dca0f4fb"
 metafile = true
 
+[[files]]
+file = "mods/fsit.pw.toml"
+hash = "da116a22d1675229d5a1fc44597fabd09ae46c1d096ce1b0ae623ec790cf1d7d"
+metafile = true
+
 [[files]]
 file = "mods/get-it-together-drops.pw.toml"
 hash = "9aa3cdec1892fe39d5c9bc5050bd22d95317219ee6ce215af3f9dc95275dfbb9"
diff --git a/mods/bl4cks-sit.pw.toml b/mods/bl4cks-sit.pw.toml
deleted file mode 100644
index 825c4d3..0000000
--- a/mods/bl4cks-sit.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "Sit"
-filename = "sit-1.21.11-29.jar"
-side = "both"
-
-[download]
-url = "https://cdn.modrinth.com/data/VKXzIykF/versions/UOglNAYK/sit-1.21.11-29.jar"
-hash-format = "sha512"
-hash = "a3bb41b6c804edcb57ed6428f68c6b62aa8b3a17f4d1655567bdf907dc07d4e931efc1788258c1a51908ebede6161a876dfdaf5d0199782556b552350a170285"
-
-[update]
-[update.modrinth]
-mod-id = "VKXzIykF"
-version = "UOglNAYK"
diff --git a/mods/fsit.pw.toml b/mods/fsit.pw.toml
new file mode 100644
index 0000000..28a9520
--- /dev/null
+++ b/mods/fsit.pw.toml
@@ -0,0 +1,13 @@
+name = "FSit"
+filename = "fsit-2.9.1+mc1.21.11.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/J5NAzRqK/versions/4j92DeKp/fsit-2.9.1%2Bmc1.21.11.jar"
+hash-format = "sha512"
+hash = "7617f39363e232fa3438880ef5ffbd9d43c7083aedf837b2480b52c7205fc126373608bf78a8c39c45e681b3fb3d0153d054298e62d3754cb3389591cabf32d7"
+
+[update]
+[update.modrinth]
+mod-id = "J5NAzRqK"
+version = "4j92DeKp"
diff --git a/pack.toml b/pack.toml
index 17b14d9..8208569 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 = "cabccb835cd9cbf577840e4fd8445df8c4a0eab6b4910d22c042b1717ccc0d3a"
+hash = "b37d4f0639bbe45c4bce063e269726c33c4b506cf18329413c6817c78007a553"
 
 [versions]
 fabric = "0.19.2"