diff --git a/.github/workflows/windows-visualcpp.yml b/.github/workflows/windows-visualcpp.yml
index 441771be..12e16d2d 100644
--- a/.github/workflows/windows-visualcpp.yml
+++ b/.github/workflows/windows-visualcpp.yml
@@ -13,7 +13,7 @@ on:
     branches: [ main ]
 
 env:
-  TETENGO_VER:              1.9.0
+  TETENGO_VER:              1.10.0
   CONCURRENT_BUILD:         4
   BOOST_VER:                1_91_0
   BOOST_VER_DOT:            1.91.0
diff --git a/Doxyfile b/Doxyfile
index 98fb21cf..e0c276b4 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = tetengo
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.9.0
+PROJECT_NUMBER         = 1.10.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewers a
diff --git a/README.md b/README.md
index 1552d303..98cac147 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-tetengo 1.9.0
+tetengo 1.10.0
 =============
 
 [TOC]
diff --git a/configure.ac b/configure.ac
index f947f330..5c42db6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 
 #### General ####
 AC_PREREQ([2.69])
-AC_INIT([tetengo], [1.9.0], [https://github.com/tetengo/tetengo.cpp])
+AC_INIT([tetengo], [1.10.0], [https://github.com/tetengo/tetengo.cpp])
 AC_CONFIG_SRCDIR([precompiled/precompiled.h])
 AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([--warnings=no-portability])
diff --git a/executable/setup/res/setup.rc b/executable/setup/res/setup.rc
index 1774f11b..faaa91b8 100644
--- a/executable/setup/res/setup.rc
+++ b/executable/setup/res/setup.rc
@@ -51,8 +51,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,9,0,0
- PRODUCTVERSION 1,9,0,0
+ FILEVERSION 1,10,0,0
+ PRODUCTVERSION 1,10,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -69,12 +69,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "kaoru"
             VALUE "FileDescription", "An install bootstrapper."
-            VALUE "FileVersion", "1.9.0"
+            VALUE "FileVersion", "1.10.0"
             VALUE "InternalName", "setup.exe"
             VALUE "LegalCopyright", "Copyright (C) 2019-2026 kaoru"
             VALUE "OriginalFilename", "setup.exe"
             VALUE "ProductName", "tetengo"
-            VALUE "ProductVersion", "1.9.0"
+            VALUE "ProductVersion", "1.10.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/setup/installer/main.wxs b/setup/installer/main.wxs
index d249fba3..27a7852d 100644
--- a/setup/installer/main.wxs
+++ b/setup/installer/main.wxs
@@ -3,7 +3,7 @@
   Copyright (C) 2019-2026 kaoru  https://www.tetengo.org/
 -->
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
-    <Package Name="tetengo 1.9.0" Version="1.9.0" UpgradeCode="952185DF-9262-470C-959A-6CB9FE2182B5" Language="$(env.LANGUAGE)" Codepage="$(env.CODEPAGE)" Manufacturer="kaoru" ProductCode="B0067C08-2851-492F-9F65-938E004EFDBA">
+    <Package Name="tetengo 1.10.0" Version="1.10.0" UpgradeCode="952185DF-9262-470C-959A-6CB9FE2182B5" Language="$(env.LANGUAGE)" Codepage="$(env.CODEPAGE)" Manufacturer="kaoru" ProductCode="5FB4BF4D-90DE-40AB-A069-294EDBF3D276">
         <SummaryInformation Description="tetengo Installer" Manufacturer="kaoru" />
         <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />