diff --git a/server/index.toml b/server/index.toml
index 7dcdb45..fdc32ea 100644
--- a/server/index.toml
+++ b/server/index.toml
@@ -15305,8 +15305,8 @@ file = "mods/inventorysorter-1.20.1-23.0.1.jar"
 hash = "0945acae4536823bee289cf4f09879d92f9ff776ad7961a409356feb9c79b2e2"
 
 [[files]]
-file = "mods/irons_spellbooks-1.20.1-3.1.5.jar"
-hash = "904e57218873c4f768db81d72547d6b9d1d39a50d46d5f2adbeae18fe34eb454"
+file = "mods/irons_spellbooks-1.20.1-3.4.0.jar"
+hash = "9b57312cd5407ba5c84f88484f54baec344fa8b06e6d09dde41b5daae109591e"
 
 [[files]]
 file = "mods/item-filters-forge-2001.1.0-build.59.jar"
diff --git a/server/mods/irons_spellbooks-1.20.1-3.1.5.jar b/server/mods/irons_spellbooks-1.20.1-3.4.0.jar
similarity index 81%
rename from server/mods/irons_spellbooks-1.20.1-3.1.5.jar
rename to server/mods/irons_spellbooks-1.20.1-3.4.0.jar
index e4b0345..1c5e452 100644
Binary files a/server/mods/irons_spellbooks-1.20.1-3.1.5.jar and b/server/mods/irons_spellbooks-1.20.1-3.4.0.jar differ
diff --git a/server/pack.toml b/server/pack.toml
index 7ab03c1..8c11c45 100644
--- a/server/pack.toml
+++ b/server/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "58beb20410d5a606d8d2a190f18a8d14d67d43cdc32591a0cdc9c6889d2af0f4"
+hash = "fb339331ca07edeab2d8ab19028880d59abaf0cb716a370d0b6769cc7f49aeb6"
 
 [versions]
 forge = "47.2.18"