diff --git a/ext/mbstring/libmbfl/mbfl/mbfilter.h b/ext/mbstring/libmbfl/mbfl/mbfilter.h
index 4db78d01f53..496d1b12cac 100644
--- a/ext/mbstring/libmbfl/mbfl/mbfilter.h
+++ b/ext/mbstring/libmbfl/mbfl/mbfilter.h
@@ -103,7 +103,7 @@
  */
 #define MBFL_VERSION_MAJOR 1
 #define MBFL_VERSION_MINOR 3
-#define MBFL_VERSION_TEENY 0
+#define MBFL_VERSION_TEENY 1
 
 /*
  * convert filter