diff --git a/CMakeLists.txt b/CMakeLists.txt
index 576664465..85e89973d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8.9)
 PROJECT(seafile-client)
 SET(SEAFILE_CLIENT_VERSION_MAJOR 8)
 SET(SEAFILE_CLIENT_VERSION_MINOR 0)
-SET(SEAFILE_CLIENT_VERSION_PATCH 8)
+SET(SEAFILE_CLIENT_VERSION_PATCH 9)
 SET(PROJECT_VERSION "${SEAFILE_CLIENT_VERSION_MAJOR}.${SEAFILE_CLIENT_VERSION_MINOR}.${SEAFILE_CLIENT_VERSION_PATCH}")
 ADD_DEFINITIONS(-DSEAFILE_CLIENT_VERSION=${PROJECT_VERSION})
 ADD_DEFINITIONS(-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26)
diff --git a/Info.plist b/Info.plist
index a69122aeb..ecda3df4f 100644
--- a/Info.plist
+++ b/Info.plist
@@ -15,9 +15,9 @@
 	<key>CFBundleName</key>
 	<string>Seafile</string>
 	<key>CFBundleShortVersionString</key>
-	<string>8.0.8</string>
+	<string>8.0.9</string>
 	<key>CFBundleVersion</key>
-	<string>8.0.8</string>
+	<string>8.0.9</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
     <key>NSRequiresAquaSystemAppearance</key>
diff --git a/debian/changelog b/debian/changelog
index 8b648b659..1ebc5101d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,7 @@
+seafile-gui (8.0.9) unstable; urgency=low
+
+  * new upstream release
+ -- Jonathan Xu <jonathan.xu@seafile.com>  Thu, 27 Oct 2022 11:35:08 +0800
 seafile-gui (8.0.8) unstable; urgency=low
 
   * new upstream release
diff --git a/seafile-client.rc b/seafile-client.rc
index 2d51ad595..e6b50cf25 100644
--- a/seafile-client.rc
+++ b/seafile-client.rc
@@ -71,8 +71,8 @@ IDI_ICON1               ICON                    "seafile.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 8,0,8,0
- PRODUCTVERSION 8,0,8,0
+ FILEVERSION 8,0,9,0
+ PRODUCTVERSION 8,0,9,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -89,12 +89,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "HaiWenHuZhi ltd."
             VALUE "FileDescription", "Seafile Client"
-            VALUE "FileVersion", "8.0.8.0"
+            VALUE "FileVersion", "8.0.9.0"
             VALUE "InternalName", "seafile-applet.exe"
             VALUE "LegalCopyright", "Copyright (C) 2021"
             VALUE "OriginalFilename", "seafile-applet.exe"
             VALUE "ProductName", "Seafile Client"
-            VALUE "ProductVersion", "8.0.8.0"
+            VALUE "ProductVersion", "8.0.9.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/seafile-client.vcxproj b/seafile-client.vcxproj
index 69c41403a..d72fd1aba 100644
--- a/seafile-client.vcxproj
+++ b/seafile-client.vcxproj
@@ -395,7 +395,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <PreprocessorDefinitions>SEAFILE_CLIENT_VERSION=8.0.8;HAVE_SHIBBOLETH_SUPPORT;HAVE_SPARKLE_SUPPORT;SEAFILE_CLIENT_HAS_CRASH_REPORTER;WIN32_LEAN_AND_MEAN;QUAZIP_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>SEAFILE_CLIENT_VERSION=8.0.9;HAVE_SHIBBOLETH_SUPPORT;HAVE_SPARKLE_SUPPORT;SEAFILE_CLIENT_HAS_CRASH_REPORTER;WIN32_LEAN_AND_MEAN;QUAZIP_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(ProjectDir)..\libsearpc\lib;$(ProjectDir)..\seafile;$(ProjectDir)..\breakpad\src;$(ProjectDir)third_party\quazip;$(ProjectDir)third_party\QtAwesome;$(ProjectDir)third_party\WinSparkle-0.5.3\include;$(ProjectDir)src;$(ProjectDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>