diff --git a/fastlane/metadata/android/en-US/changelogs/3844.txt b/fastlane/metadata/android/en-US/changelogs/3844.txt
new file mode 100644
index 000000000..2151eeb3f
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/3844.txt
@@ -0,0 +1,3 @@
+v4.0.2
+
+Combine traditional AI and perfect database.
diff --git a/fastlane/metadata/android/zh-CN/changelogs/3844.txt b/fastlane/metadata/android/zh-CN/changelogs/3844.txt
new file mode 100644
index 000000000..f52d161b6
--- /dev/null
+++ b/fastlane/metadata/android/zh-CN/changelogs/3844.txt
@@ -0,0 +1,3 @@
+v4.0.2
+
+将传统AI 和完美数据库结合。
diff --git a/snap/gui/mill.desktop b/snap/gui/mill.desktop
index 2534e5daa..852443c54 100644
--- a/snap/gui/mill.desktop
+++ b/snap/gui/mill.desktop
@@ -1,5 +1,5 @@
 [Desktop Entry]
-Version=4.0.1
+Version=4.0.2
 Encoding=UTF-8
 Name=Mill
 Comment=A Mill Game which supports many rule variants.
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index f0e5b4723..4ac2225f5 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: mill
-version: 4.0.1
+version: 4.0.2
 summary: A Mill Game which supports many rule variants.
 description: |
   Nine men's morris is a strategy board game for two players
diff --git a/src/ui/flutter_app/pubspec.yaml b/src/ui/flutter_app/pubspec.yaml
index 224443c41..b976f0a15 100644
--- a/src/ui/flutter_app/pubspec.yaml
+++ b/src/ui/flutter_app/pubspec.yaml
@@ -1,7 +1,7 @@
 name: sanmill
 description: Sanmill is a open-source, powerful UCI-like Nine Men's Morris (and its variants) program.
 publish_to: none
-version: 4.0.1+3828
+version: 4.0.2+3844
 
 environment:
   sdk: ">=2.17.0 <4.0.0"
diff --git a/src/ui/qt/mill-pro.rc b/src/ui/qt/mill-pro.rc
index be908779b..a39390fd3 100644
--- a/src/ui/qt/mill-pro.rc
+++ b/src/ui/qt/mill-pro.rc
@@ -21,8 +21,8 @@ IDI_ICON1		ICON		DISCARDABLE	"Mill.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 4.0.1.0
- PRODUCTVERSION 4.0.1.0
+ FILEVERSION 4.0.2.0
+ PRODUCTVERSION 4.0.2.0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -39,12 +39,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Calcitem"
             VALUE "FileDescription", "Mill Pro"
-            VALUE "FileVersion", "4.0.1.0"
+            VALUE "FileVersion", "4.0.2.0"
             VALUE "InternalName", "Sanmill Pro"
             VALUE "LegalCopyright", "(C) 2019-2023 Calcitem Studio and Sanmill Developers"
             VALUE "OriginalFilename", "mill-pro.exe"
             VALUE "ProductName", "Mill Pro"
-            VALUE "ProductVersion", "4.0.1.0"
+            VALUE "ProductVersion", "4.0.2.0"
         END
     END
     BLOCK "VarFileInfo"