diff --git a/gradle.properties b/gradle.properties
index efa9e6a..59f58cc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ minecraft_version=1.21.4-pre3
 yarn_mappings=1.21.4-pre3+build.2
 loader_version=0.16.9
 # Mod Properties
-mod_version=1.8+1.21.4-SNAPSHOT.3
+mod_version=1.9+1.21.4-SNAPSHOT.4
 maven_group=me.lukasabbe
 archives_base_name=Bookshelfinspector