diff --git a/README.md b/README.md
index 4e5e1c8..8226d32 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,8 @@ You can check the IAT by `dumpbin /imports` of Visual Studio Command Prompt.
     - SRW lock functions are partially supported.
     - Initialize-once functions are partially supported.
     - Condition variables functions are partially supported.
+- 2022.XX.YY ver.0.8.1
+    - Supported GetThreadUILanguage/SetThreadUILanguage.
 
 ## How to build?
 
diff --git a/README.txt b/README.txt
index e51254d..b770ed1 100644
--- a/README.txt
+++ b/README.txt
@@ -60,6 +60,8 @@ You can check the IAT by dumpbin /imports of Visual Studio Command Prompt.
     - SRW lock functions are partially supported.
     - Initialize-once functions are partially supported.
     - Condition variables functions are partially supported.
+- 2022.XX.YY ver.0.8.1
+    - Supported GetThreadUILanguage/SetThreadUILanguage.
 
 ## WARNING!
 
diff --git a/READMEJP.txt b/READMEJP.txt
index b095e11..4d9b15a 100644
--- a/READMEJP.txt
+++ b/READMEJP.txt
@@ -62,6 +62,8 @@ Visual Studio コマンドプロンプトの dumpbin /imports で IAT をチェ
     - SRWロック関数を部分的にサポート。
     - Initialize-once関数を部分的にサポート。
     - 状態変数関数を部分的にサポート。
+- 2022.XX.YY ver.0.8.1
+    - GetThreadUILanguage/SetThreadUILanguageをサポート。
 
 ## 警告
 
diff --git a/installer.iss b/installer.iss
index 6d1cf4d..3ba3b71 100644
--- a/installer.iss
+++ b/installer.iss
@@ -12,7 +12,7 @@
 
 AppId={{A7770A09-8021-4ADC-B9F8-1D73153AB14C}
 AppName=vista2xp
-AppVerName=vista2xp 0.8
+AppVerName=vista2xp 0.8.1
 AppPublisher=Katayama Hirofumi MZ
 AppPublisherURL=http://katahiromz.web.fc2.com/
 AppSupportURL=http://katahiromz.web.fc2.com/
@@ -23,7 +23,7 @@ DisableDirPage=no
 AllowNoIcons=yes
 LicenseFile=LICENSE.txt
 OutputDir=.
-OutputBaseFilename=vista2xp-0.8-setup
+OutputBaseFilename=vista2xp-0.8.1-setup
 SetupIconFile=vista2xp\res\Icon_1.ico
 Compression=lzma
 SolidCompression=yes
@@ -33,9 +33,9 @@ VersionInfoCompany=Katayama Hirofumi MZ
 VersionInfoCopyright=Copyright (C) 2019 Katayama Hirofumi MZ.
 VersionInfoDescription=vista2xp
 VersionInfoProductName=vista2xp
-VersionInfoProductTextVersion=0.8
-VersionInfoProductVersion=0.8
-VersionInfoVersion=0.8
+VersionInfoProductTextVersion=0.8.1
+VersionInfoProductVersion=0.8.1
+VersionInfoVersion=0.8.1
 
 [Languages]
 Name: "english"; MessagesFile:  "compiler:Default.isl"
diff --git a/pack.bat b/pack.bat
index df1751e..168254f 100644
--- a/pack.bat
+++ b/pack.bat
@@ -1,4 +1,4 @@
-set DIST=vista2xp-0.8-bin
+set DIST=vista2xp-0.8.1-bin
 if not exist %DIST% mkdir %DIST%
 copy README.txt %DIST%
 copy READMEJP.txt %DIST%
diff --git a/vista2xp/lang/en_US.rc b/vista2xp/lang/en_US.rc
index 17eba5f..ca575f7 100644
--- a/vista2xp/lang/en_US.rc
+++ b/vista2xp/lang/en_US.rc
@@ -9,7 +9,7 @@ LANGUAGE LANG_ENGLISH, SUBLANG_DEFAULT
 // RT_DIALOG
 
 IDD_MAIN DIALOG 0, 0, 240, 175
-CAPTION "vista2xp ver.0.8 by katahiromz"
+CAPTION "vista2xp ver.0.8.1 by katahiromz"
 STYLE DS_CENTER | DS_MODALFRAME | WS_POPUPWINDOW | WS_DLGFRAME
 FONT 8, "Arial"
 {
diff --git a/vista2xp/lang/ja_JP.rc b/vista2xp/lang/ja_JP.rc
index fd4d69c..36932ee 100644
--- a/vista2xp/lang/ja_JP.rc
+++ b/vista2xp/lang/ja_JP.rc
@@ -9,7 +9,7 @@ LANGUAGE LANG_JAPANESE, SUBLANG_DEFAULT
 // RT_DIALOG
 
 IDD_MAIN DIALOG 0, 0, 240, 175
-CAPTION "vista2xp ver.0.8 by 片山博文MZ"
+CAPTION "vista2xp ver.0.8.1 by 片山博文MZ"
 STYLE DS_CENTER | DS_MODALFRAME | WS_POPUPWINDOW | WS_DLGFRAME
 FONT 9, "MS UI Gothic"
 {
diff --git a/vista2xp/vista2xp_res.rc b/vista2xp/vista2xp_res.rc
index b23b525..acf930d 100644
--- a/vista2xp/vista2xp_res.rc
+++ b/vista2xp/vista2xp_res.rc
@@ -20,8 +20,8 @@ IDI_MAIN ICON "res/Icon_1.ico"
 // RT_VERSION
 
 1 VERSIONINFO
-FILEVERSION     0, 8, 0, 0
-PRODUCTVERSION  0, 8, 0, 0
+FILEVERSION     0, 8, 1, 0
+PRODUCTVERSION  0, 8, 1, 0
 FILEOS          0x40004
 FILETYPE        0x1
 {
@@ -31,10 +31,10 @@ FILETYPE        0x1
         {
             VALUE "CompanyName", "Katayama Hirofumi MZ\0"
             VALUE "FileDescription", "vista2xp\0"
-            VALUE "FileVersion", "0.8\0"
+            VALUE "FileVersion", "0.8.1\0"
             VALUE "LegalCopyright", "Copyright (C) 2019 Katayama Hirofumi MZ.\0"
             VALUE "ProductName", "vista2xp\0"
-            VALUE "ProductVersion", "0.8\0"
+            VALUE "ProductVersion", "0.8.1\0"
         }
     }
     BLOCK "VarFileInfo"