diff --git a/doc/build_mozc_in_windows.md b/doc/build_mozc_in_windows.md
index 589ab55db..ae4cd7282 100644
--- a/doc/build_mozc_in_windows.md
+++ b/doc/build_mozc_in_windows.md
@@ -3,7 +3,7 @@ How to build Mozc in Windows
 
 # System Requirements
 
-64-bit Windows is required to build Mozc for Windows. Mozc itself is expected to work on Windows Vista SP2 and later, including 32-bit Windows.
+64-bit Windows is required to build Mozc for Windows. Mozc itself is expected to work on Windows 7 and later, including 32-bit Windows.
 
 # Software Requirements
 
diff --git a/src/gyp/common.gypi b/src/gyp/common.gypi
index f11242063..0e2b75574 100644
--- a/src/gyp/common.gypi
+++ b/src/gyp/common.gypi
@@ -610,7 +610,7 @@
           'UNICODE',
           'WIN32',
           'WIN32_IE=0x0800',
-          'WINVER=0x0600',
+          'WINVER=0x0601',
           'WIN32_LEAN_AND_MEAN',
           '_ATL_ALL_WARNINGS',
           '_ATL_ALLOW_CHAR_UNSIGNED',
@@ -620,8 +620,8 @@
           '_STL_MSVC',
           '_UNICODE',
           '_WIN32',
-          '_WIN32_WINDOWS=0x0600',
-          '_WIN32_WINNT=0x0600',
+          '_WIN32_WINDOWS=0x0601',
+          '_WIN32_WINNT=0x0601',
           '_WINDOWS',
         ],
         'include_dirs': [
diff --git a/src/mozc_version_template.txt b/src/mozc_version_template.txt
index dc7759bd9..d85446621 100644
--- a/src/mozc_version_template.txt
+++ b/src/mozc_version_template.txt
@@ -1,6 +1,6 @@
 MAJOR=2
 MINOR=17
-BUILD=2445
+BUILD=2446
 REVISION=102
 # NACL_DICTIONARY_VERSION is the target version of the system dictionary to be
 # downloaded by NaCl Mozc.