diff --git a/gradle.properties b/gradle.properties
index 07f6192..228a1a5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ minecraft_version=25w09b
 yarn_mappings=25w09b+build.1
 loader_version=0.16.10
 # Mod Properties
-mod_version=1.9+1.21.5-SNAPSHOT.3
+mod_version=1.9+1.21.5-SNAPSHOT.4
 maven_group=me.lukasabbe
 archives_base_name=Bookshelfinspector