diff --git a/index.toml b/index.toml
index 9e4374a..9bb3744 100644
--- a/index.toml
+++ b/index.toml
@@ -538,6 +538,11 @@ file = "mods/immediatelyfast.pw.toml"
 hash = "245133e942482b8ae9b2d1f95706ac625f3d92b99798bf81a114adc05ac69bb8"
 metafile = true
 
+[[files]]
+file = "mods/immersiveengineering.pw.toml"
+hash = "91875c996a9958aeea794843fb449915218625f52aaf0234ccd1faffa887e277"
+metafile = true
+
 [[files]]
 file = "mods/interiors.pw.toml"
 hash = "c867150b24385db0a8e0067e44f6259e67b20035415a1cae0219683cc6badc86"
diff --git a/mods/immersiveengineering.pw.toml b/mods/immersiveengineering.pw.toml
new file mode 100644
index 0000000..30a132e
--- /dev/null
+++ b/mods/immersiveengineering.pw.toml
@@ -0,0 +1,13 @@
+name = "Immersive Engineering"
+filename = "ImmersiveEngineering-1.21.1-12.4.2-194.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/tIm2nV03/versions/uNRARSH2/ImmersiveEngineering-1.21.1-12.4.2-194.jar"
+hash-format = "sha512"
+hash = "862523e84747a8b7eaa65f9b3c337fa832ef9efd0545c27f68e350e01f482c7a1242d0e4bdc2caff3d7eb033508b43a353fcd7150c9b544d0c05765ca2a551b3"
+
+[update]
+[update.modrinth]
+mod-id = "tIm2nV03"
+version = "uNRARSH2"
diff --git a/pack.toml b/pack.toml
index c15d30e..93dfd7d 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 = "5469e421345ab1c81d75919c0cd35c3a6a2aa7fa940c3a34c5401aa15fa043f0"
+hash = "37fe9004f28dc2c9c09622fc7beb9aab2dd87a85c86a9fd1d9c7ea0c87d44e77"
 
 [versions]
 minecraft = "1.21.1"