diff --git a/index.toml b/index.toml
index eeda17a..461e3c7 100644
--- a/index.toml
+++ b/index.toml
@@ -336,6 +336,11 @@ file = "mods/e4mc.pw.toml"
 hash = "d9e8561b7696944a1647af52d7260fabb244b45b30f4b3656dc3630cecfb03e2"
 metafile = true
 
+[[files]]
+file = "mods/effective.pw.toml"
+hash = "c102c17148affae740d8152d7a9123b79a808a3f6eb5734791e22cde43cf19a4"
+metafile = true
+
 [[files]]
 file = "mods/emi-loot.pw.toml"
 hash = "6ed9dba064110665c3dcf26be139c68b290ef0079e8aece1d2aced9484ebf85b"
diff --git a/mods/effective.pw.toml b/mods/effective.pw.toml
new file mode 100644
index 0000000..dd76c35
--- /dev/null
+++ b/mods/effective.pw.toml
@@ -0,0 +1,13 @@
+name = "Effective"
+filename = "effective-2.2.1+1.20.1.jar"
+side = "client"
+
+[download]
+url = "https://cdn.modrinth.com/data/pcPXJeZi/versions/NdCA6GGy/effective-2.2.1%2B1.20.1.jar"
+hash-format = "sha1"
+hash = "4380abbae91bdd0546b1e6d400c39e8e2061095b"
+
+[update]
+[update.modrinth]
+mod-id = "pcPXJeZi"
+version = "NdCA6GGy"
diff --git a/pack.toml b/pack.toml
index 8767b51..1c2f92e 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 = "1eb219dedd017ecf9d4f127982b0dff744fa8b00571ce9703ac83e15ccee6ad2"
+hash = "f891f1d8d2ad164a4a1984168e83e79df452ad1dced2acda04e1a8384b110969"
 
 [versions]
 minecraft = "1.20.1"