diff --git a/THIRD-PARTY-LICENSES.md b/THIRD-PARTY-LICENSES.md
index 706edfdb..49de958a 100644
--- a/THIRD-PARTY-LICENSES.md
+++ b/THIRD-PARTY-LICENSES.md
@@ -7,7 +7,7 @@ The project uses the following third-party libraries or assets
 ### AvaloniaUI
 
 - **Source**: https://github.com/AvaloniaUI/Avalonia
-- **Version**: 11.3.8
+- **Version**: 11.3.9
 - **License**: MIT License
 - **License Link**: https://github.com/AvaloniaUI/Avalonia/blob/master/licence.md
 
diff --git a/src/SourceGit.csproj b/src/SourceGit.csproj
index 109f66e8..9d417615 100644
--- a/src/SourceGit.csproj
+++ b/src/SourceGit.csproj
@@ -39,12 +39,12 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="11.3.8" />
-    <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.8" />
-    <PackageReference Include="Avalonia.Desktop" Version="11.3.8" />
-    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.8" />
-    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.8" />
-    <PackageReference Include="Avalonia.Diagnostics" Version="11.3.8" Condition="'$(Configuration)' == 'Debug'" />
+    <PackageReference Include="Avalonia" Version="11.3.9" />
+    <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.9" />
+    <PackageReference Include="Avalonia.Desktop" Version="11.3.9" />
+    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.9" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.9" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="11.3.9" Condition="'$(Configuration)' == 'Debug'" />
     <PackageReference Include="Avalonia.AvaloniaEdit" Version="11.3.0" />
     <PackageReference Include="AvaloniaEdit.TextMate" Version="11.3.0" />
     <PackageReference Include="Azure.AI.OpenAI" Version="2.5.0-beta.1" />