diff --git a/src/libumf.def b/src/libumf.def
index fbf2d5a75f..925beab3bb 100644
--- a/src/libumf.def
+++ b/src/libumf.def
@@ -6,7 +6,7 @@
 
 LIBRARY UMF
 
-VERSION 0.11
+VERSION 0.12
 
 EXPORTS
     DllMain