diff --git a/src/objects/intl-objects.h b/src/objects/intl-objects.h
index 7d480352b4..3ae098f661 100644
--- a/src/objects/intl-objects.h
+++ b/src/objects/intl-objects.h
@@ -21,7 +21,7 @@
 #include "unicode/locid.h"
 #include "unicode/uversion.h"
 
-#define V8_MINIMUM_ICU_VERSION 64
+#define V8_MINIMUM_ICU_VERSION 65
 
 namespace U_ICU_NAMESPACE {
 class BreakIterator;