diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa1277fb3..a7d3d28b1 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 9)
 SET(SEAFILE_CLIENT_VERSION_MINOR 0)
-SET(SEAFILE_CLIENT_VERSION_PATCH 5)
+SET(SEAFILE_CLIENT_VERSION_PATCH 6)
 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 d68751934..e777aac1f 100644
--- a/Info.plist
+++ b/Info.plist
@@ -15,9 +15,9 @@
 	<key>CFBundleName</key>
 	<string>Seafile</string>
 	<key>CFBundleShortVersionString</key>
-	<string>9.0.5</string>
+	<string>9.0.6</string>
 	<key>CFBundleVersion</key>
-	<string>9.0.5</string>
+	<string>9.0.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
     <key>NSRequiresAquaSystemAppearance</key>
diff --git a/debian/changelog b/debian/changelog
index 043fcfbb4..0461ab290 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,7 @@
+seafile-gui (9.0.6) unstable; urgency=low
+
+  * new upstream release
+ -- Jonathan Xu <jonathan.xu@seafile.com>  Mon, 20 May 2024 14:04:58 +0800
 seafile-gui (9.0.5) unstable; urgency=low
 
   * new upstream release
diff --git a/seafile-client.rc b/seafile-client.rc
index 57a7dd5f6..09728df15 100644
--- a/seafile-client.rc
+++ b/seafile-client.rc
@@ -71,8 +71,8 @@ IDI_ICON1               ICON                    "seafile.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 9,0,5,0
- PRODUCTVERSION 9,0,5,0
+ FILEVERSION 9,0,6,0
+ PRODUCTVERSION 9,0,6,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -89,12 +89,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "HaiWenHuZhi ltd."
             VALUE "FileDescription", "Seafile Client"
-            VALUE "FileVersion", "9.0.5.0"
+            VALUE "FileVersion", "9.0.6.0"
             VALUE "InternalName", "seafile-applet.exe"
             VALUE "LegalCopyright", "Copyright (C) 2021"
             VALUE "OriginalFilename", "seafile-applet.exe"
             VALUE "ProductName", "Seafile Client"
-            VALUE "ProductVersion", "9.0.5.0"
+            VALUE "ProductVersion", "9.0.6.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/seafile-client.vcxproj b/seafile-client.vcxproj
index 6936b545a..29deb3e52 100644
--- a/seafile-client.vcxproj
+++ b/seafile-client.vcxproj
@@ -392,7 +392,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <PreprocessorDefinitions>SEAFILE_CLIENT_VERSION=9.0.5;HAVE_SHIBBOLETH_SUPPORT;SEAFILE_CLIENT_HAS_CRASH_REPORTER;WIN32_LEAN_AND_MEAN;QUAZIP_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>SEAFILE_CLIENT_VERSION=9.0.6;HAVE_SHIBBOLETH_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>stdcpp17</LanguageStandard>
     </ClCompile>