diff --git a/deps/v8z/include/v8-version.h b/deps/v8z/include/v8-version.h
index 2101944d1477..5cd33a0827f6 100644
--- a/deps/v8z/include/v8-version.h
+++ b/deps/v8z/include/v8-version.h
@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 4
 #define V8_MINOR_VERSION 5
 #define V8_BUILD_NUMBER 103
-#define V8_PATCH_LEVEL 47
+#define V8_PATCH_LEVEL 48
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
diff --git a/deps/v8z/src/runtime/runtime-i18n.cc b/deps/v8z/src/runtime/runtime-i18n.cc
index 3da71a98ef30..cd6e42558efd 100644
--- a/deps/v8z/src/runtime/runtime-i18n.cc
+++ b/deps/v8z/src/runtime/runtime-i18n.cc
@@ -22,6 +22,7 @@
 #include "unicode/dtfmtsym.h"
 #include "unicode/dtptngen.h"
 #include "unicode/locid.h"
+#include "unicode/normlzr.h"
 #include "unicode/numfmt.h"
 #include "unicode/numsys.h"
 #include "unicode/rbbi.h"