diff --git a/packwiz/1.20.1/Aetheria-0.1.0.mrpack b/packwiz/1.20.1/Aetheria-0.1.0.mrpack
new file mode 100644
index 0000000..f247be3
Binary files /dev/null and b/packwiz/1.20.1/Aetheria-0.1.0.mrpack differ
diff --git a/packwiz/1.20.1/index.toml b/packwiz/1.20.1/index.toml
index 8bf9624..cbf2574 100644
--- a/packwiz/1.20.1/index.toml
+++ b/packwiz/1.20.1/index.toml
@@ -6070,6 +6070,11 @@ file = "mods/immersive-paintings.pw.toml"
 hash = "3f8021342d54a239164712721bf5c0c424b47eb689fd573d68e44681904998c3"
 metafile = true
 
+[[files]]
+file = "mods/immersive-weathering.pw.toml"
+hash = "7a7f0016536b0763ce3f7c3d3062a094673a63196e95356107768c431f1b7102"
+metafile = true
+
 [[files]]
 file = "mods/industrial-foregoing.pw.toml"
 hash = "01c1739b0a62eaa9326444b58b56222ca8d66bf3ccb677e9ecfa54baa8c98a13"
diff --git a/packwiz/1.20.1/mods/immersive-weathering.pw.toml b/packwiz/1.20.1/mods/immersive-weathering.pw.toml
new file mode 100644
index 0000000..497808e
--- /dev/null
+++ b/packwiz/1.20.1/mods/immersive-weathering.pw.toml
@@ -0,0 +1,13 @@
+name = "Immersive Weathering"
+filename = "immersive_weathering-1.20.1-2.0.3-forge.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/jkskOO9i/versions/etC04DHn/immersive_weathering-1.20.1-2.0.3-forge.jar"
+hash-format = "sha1"
+hash = "8298315a14caf16a0c639a9569b1d7b72c2488e4"
+
+[update]
+[update.modrinth]
+mod-id = "jkskOO9i"
+version = "etC04DHn"
diff --git a/packwiz/1.20.1/pack.toml b/packwiz/1.20.1/pack.toml
index 87d8c2f..4a1794b 100644
--- a/packwiz/1.20.1/pack.toml
+++ b/packwiz/1.20.1/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "20dca0c90306c9336df6759b3dca5d9966d6a71dcf2413f35471609c6b52595a"
+hash = "3fefef797f950b8cf4dd988b4ee02d5df90be983433967b669fee394e8bc3053"
 
 [versions]
 forge = "47.2.17"