diff --git a/src/GvimExt/Makefile b/src/GvimExt/Makefile
index 975ba11..4b83f52 100644
--- a/src/GvimExt/Makefile
+++ b/src/GvimExt/Makefile
@@ -10,6 +10,9 @@
 !ifndef APPVER
 APPVER = 5.01
 !endif
+!ifndef WINVER
+WINVER = 0x0501
+!endif
 
 !if "$(DEBUG)" != "yes"
 NODEBUG = 1
@@ -53,6 +56,13 @@
 # include CPUARG
 cflags = $(cflags) $(CPUARG)
 
+# set WINVER and _WIN32_WINNT
+cflags = $(cflags) -DWINVER=$(WINVER) -D_WIN32_WINNT=$(WINVER)
+
+!if "$(CL)" == "/D_USING_V110_SDK71_"
+rcflags = $(rcflags) /D_USING_V110_SDK71_
+!endif
+
 SUBSYSTEM = console
 !if "$(SUBSYSTEM_VER)" != ""
 SUBSYSTEM = $(SUBSYSTEM),$(SUBSYSTEM_VER)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index b95e936..da9a911 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -626,6 +626,12 @@
 NODEFAULTLIB = /nodefaultlib
 !endif
 
+# Specify source code charset to suppress warning C4819 on non-English
+# environment. Only available from MSVC 14.
+!if $(MSVC_MAJOR) >= 14
+CFLAGS = $(CFLAGS) /source-charset:utf-8
+!endif
+
 # Use multiprocess build on MSVC 10
 !if ("$(USE_MP)" == "yes") && ($(MSVC_MAJOR) >= 10)
 CFLAGS = $(CFLAGS) /MP
@@ -669,6 +675,9 @@
 
 CFLAGS = $(CFLAGS) $(OPTFLAG) -DNDEBUG $(CPUARG)
 RCFLAGS = $(rcflags) $(rcvars) -DNDEBUG
+! if "$(CL)" == "/D_USING_V110_SDK71_"
+RCFLAGS = $(RCFLAGS) /D_USING_V110_SDK71_
+! endif
 ! ifdef USE_MSVCRT
 CFLAGS = $(CFLAGS) /MD
 LIBC = msvcrt.lib
diff --git a/src/version.c b/src/version.c
index ba79618..7c31c19 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    249,
+/**/
     248,
 /**/
     247,