Update interface version

diff --git a/oUF_P3lim.toc b/oUF_P3lim.toc
index acfbe14..f05a369 100644
--- a/oUF_P3lim.toc
+++ b/oUF_P3lim.toc
@@ -1,4 +1,4 @@
-## Interface: 50300
+## Interface: 50400
 ## Author: p3lim
 ## Version: @project-version@
 ## Title: oUF P3lim