Bump Interface version

diff --git a/oUF_P3lim.toc b/oUF_P3lim.toc
index c053ea9..a589ae6 100644
--- a/oUF_P3lim.toc
+++ b/oUF_P3lim.toc
@@ -1,4 +1,4 @@
-## Interface: 40300
+## Interface: 50001
 ## Author: p3lim
 ## Version: @project-version@
 ## Title: oUF P3lim