diff --git a/index.toml b/index.toml
index df9c746..54170d4 100644
--- a/index.toml
+++ b/index.toml
@@ -180,6 +180,11 @@ file = "mods/fabric-api.pw.toml"
 hash = "fe95430d433104d44c741c22d8f4d0db4678756311acacccddec49e3a39a4091"
 metafile = true
 
+[[files]]
+file = "mods/fabric-language-kotlin.pw.toml"
+hash = "bb9a29a48b27e7abc0799d4393240ae2cdcf7d64341c9a63347769173f8bda2e"
+metafile = true
+
 [[files]]
 file = "mods/fallingleaves.pw.toml"
 hash = "8945ea290647fec8b91c24bd81821ee1d73d84a968d23260dbee24ceb951db4d"
diff --git a/mods/fabric-language-kotlin.pw.toml b/mods/fabric-language-kotlin.pw.toml
new file mode 100644
index 0000000..33f0b8c
--- /dev/null
+++ b/mods/fabric-language-kotlin.pw.toml
@@ -0,0 +1,13 @@
+name = "Fabric Language Kotlin"
+filename = "fabric-language-kotlin-1.13.1+kotlin.2.1.10.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/Ha28R6CL/versions/476dzMG5/fabric-language-kotlin-1.13.1%2Bkotlin.2.1.10.jar"
+hash-format = "sha512"
+hash = "8e3609ef53a731c5509b304397e7fd4e37f2bbb4353b0d6234e74438846f0464743022f3339ba4f5acf21b023c80420ce59c194c1dfb11aeb79caffa6f842fb6"
+
+[update]
+[update.modrinth]
+mod-id = "Ha28R6CL"
+version = "476dzMG5"
diff --git a/pack.toml b/pack.toml
index c7eae59..af77c04 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 = "9ac8df1f50229b6c296a5f5cb07da73695d9a2fb72b0904529c6392d9ade4ddf"
+hash = "3b0b9e15f80b68833c6789dbea58aae8cae24d37e3cb3105c65a9b71a47c7d80"
 
 [versions]
 fabric = "0.16.10"