diff --git a/README.md b/README.md
index 66e2e111..0d0878e7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-# CorvusSKK ver. 2.7.10
+# CorvusSKK ver. 2.7.11
 
 Windowsで動作するSKK風のIMEです。
 
@@ -744,19 +744,19 @@ Windows 10 (Ver.1709 から) の場合
 
 ### 開発環境
 
-Visual Studio Community 2019 16.3.10
+Visual Studio Community 2019 16.4.2
 
 * Desktop development with C++
-* MSVC v142 - VS 2019 C++ x64/x86 build tools (v14.23)
-* MSVC v142 - VS 2019 C++ ARM build tools (v14.23)
-* MSVC v142 - VS 2019 C++ ARM64 build tools (v14.23)
+* MSVC v142 - VS 2019 C++ x64/x86 build tools (v14.24)
+* MSVC v142 - VS 2019 C++ ARM build tools (v14.24)
+* MSVC v142 - VS 2019 C++ ARM64 build tools (v14.24)
 * C++ ATL for latest v142 build tools (x86 & x64)
 * C++ ATL for latest v142 build tools (ARM)
 * C++ ATL for latest v142 build tools (ARM64)
 
 WiX Toolset v3.11.2
 
-pandoc 2.7.3
+pandoc 2.9.1
 
 
 ### ビルド手順
diff --git a/common/version.h b/common/version.h
index dc349b2a..3d01c1bd 100644
--- a/common/version.h
+++ b/common/version.h
@@ -7,10 +7,10 @@
 #define TEXTSERVICE_DESC	TEXTSERVICE_NAME L"_DEBUG"
 #endif
 #define TEXTSERVICE_DIR		L"IMCRVSKK"
-#define TEXTSERVICE_VER		L"2.7.10"
+#define TEXTSERVICE_VER		L"2.7.11"
 
 //for resource
 #define RC_AUTHOR			"nathancorvussolis"
 #define RC_PRODUCT			"CorvusSKK"
-#define RC_VERSION			"2.7.10"
-#define RC_VERSION_D		2,7,10,0
+#define RC_VERSION			"2.7.11"
+#define RC_VERSION_D		2,7,11,0
diff --git a/installer/_version.cmd b/installer/_version.cmd
index 05a0a8de..0b8f7673 100644
--- a/installer/_version.cmd
+++ b/installer/_version.cmd
@@ -1,5 +1,5 @@
 
-set VERSION=2.7.10
+set VERSION=2.7.11
 
 set TARGETDIR=build
 
diff --git a/installer/installer-version.wxi b/installer/installer-version.wxi
index a2feb8bf..e0344ff9 100644
--- a/installer/installer-version.wxi
+++ b/installer/installer-version.wxi
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Include>
-  <?define version="2.7.10" ?>
+  <?define version="2.7.11" ?>
 </Include>
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