diff --git a/LICENSE.TXT b/LICENSE.TXT
index 197a517c..5597b1bb 100644
--- a/LICENSE.TXT
+++ b/LICENSE.TXT
@@ -4,7 +4,7 @@
 
 CorvusSKK
 
-Copyright (C) 2011-2015 SASAKI Nobuyuki
+Copyright (C) 2011-2016 SASAKI Nobuyuki
 
 Microsoft Public License (MS-PL)
 
diff --git a/README.md b/README.md
index 604258f3..8c804008 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-# CorvusSKK ver. 2.2.0
+# CorvusSKK ver. 2.2.1
 
 Windowsで動作するSKK風のIMEです。
 
diff --git a/common/version.h b/common/version.h
index e945f263..ad80b7a2 100644
--- a/common/version.h
+++ b/common/version.h
@@ -10,12 +10,12 @@
 #define TEXTSERVICE_DESC	TEXTSERVICE_NAME L"_DEBUG"
 #endif
 
-#define TEXTSERVICE_VER		L"2.2.0"
+#define TEXTSERVICE_VER		L"2.2.1"
 
 //for resource
 #define RC_AUTHOR			"nathancorvussolis"
 #define RC_PRODUCT			"CorvusSKK"
-#define RC_VERSION			"2.2.0"
-#define RC_VERSION_D		2,2,0,0
+#define RC_VERSION			"2.2.1"
+#define RC_VERSION_D		2,2,1,0
 
 #endif
diff --git a/installer/README.TXT b/installer/README.TXT
index c47ed829..7ba0ec59 100644
--- a/installer/README.TXT
+++ b/installer/README.TXT
@@ -1,7 +1,7 @@
 
 ==============================================================================
 
-  CorvusSKK ver. 2.2.0
+  CorvusSKK ver. 2.2.1
 
     https://nathancorvussolis.github.io/
     nathancorvussolis@gmail.com
@@ -29,6 +29,6 @@
 
   マニュアル
 
-    https://github.com/nathancorvussolis/corvusskk/blob/2.2.0/README.md
+    https://github.com/nathancorvussolis/corvusskk/blob/2.2.1/README.md
 
 ==============================================================================
diff --git a/installer/_version.cmd b/installer/_version.cmd
index fcadc403..e754f79a 100644
--- a/installer/_version.cmd
+++ b/installer/_version.cmd
@@ -1,4 +1,4 @@
 
-set VERSION=2.2.0
+set VERSION=2.2.1
 
 set TARGETDIR=build
diff --git a/installer/config-lua/init.lua b/installer/config-lua/init.lua
index 0617d97e..3fb0f66f 100644
--- a/installer/config-lua/init.lua
+++ b/installer/config-lua/init.lua
@@ -1080,7 +1080,7 @@ local function skk_search(key, okuri)
 	-- SKK辞書サーバー検索
 	ret = ret .. crvmgr.search_skk_server(key)
 
-	if okuri == "" then
+	if (okuri == "") then
 		-- Unicodeコードポイント変換
 		ret = ret .. crvmgr.search_unicode(key)
 
diff --git a/installer/corvusskk-version.wxi b/installer/corvusskk-version.wxi
index 8412a8ba..5383e2c0 100644
--- a/installer/corvusskk-version.wxi
+++ b/installer/corvusskk-version.wxi
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Include>
-  <?define version="2.2.0" ?>
+  <?define version="2.2.1" ?>
 </Include>
diff --git a/installer/license.rtf b/installer/license.rtf
index 3f8b07e7..1463b1fb 100644
--- a/installer/license.rtf
+++ b/installer/license.rtf
@@ -3,7 +3,7 @@
 {\*\generator Riched20 10.0.10586}\viewkind4\uc1 
 \pard\sl240\slmult1\f0\fs16 CorvusSKK\par
 \par
-Copyright (C) 2011-2015 SASAKI Nobuyuki\par
+Copyright (C) 2011-2016 SASAKI Nobuyuki\par
 \par
 Microsoft Public License (MS-PL)\par
 \par