diff --git a/NEWS b/NEWS
index c54735e1..568a50bb 100644
--- a/NEWS
+++ b/NEWS
@@ -26,6 +26,7 @@
   * Improved String#{strip, rstrip, lstrip} performance. ~70% faster.
   * Improved String#{[], []=, +} and Array#+ performance. ~20% faster.
   * Improved String#{==, !=} performance. ~50% faster.
+  * Improved String#include? with UTF-8 strings performance. ~15% faster.
   * Improved Array#{==, !=} performance. ~25% faster.
   * Improved Hash#{==, !=} performance. ~50% faster.
 
diff --git a/vm b/vm
index 5b709bfa..bd3d2084 160000
--- a/vm
+++ b/vm
@@ -1 +1 @@
-Subproject commit 5b709bfa8a54e128e644de5aabc4fb1e28ad5c2c
+Subproject commit bd3d2084773bd201f1a037f832036dc7d399d160