diff --git a/src/PRoCon.Themes/PRoCon.Themes.csproj b/src/PRoCon.Themes/PRoCon.Themes.csproj
index 69a63f7f..9e37d212 100644
--- a/src/PRoCon.Themes/PRoCon.Themes.csproj
+++ b/src/PRoCon.Themes/PRoCon.Themes.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="11.2.3" />
+    <PackageReference Include="Avalonia" Version="12.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/src/PRoCon.UI/PRoCon.UI.csproj b/src/PRoCon.UI/PRoCon.UI.csproj
index 72f2fc47..ed9fd26a 100644
--- a/src/PRoCon.UI/PRoCon.UI.csproj
+++ b/src/PRoCon.UI/PRoCon.UI.csproj
@@ -21,9 +21,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="11.2.3" />
+    <PackageReference Include="Avalonia" Version="12.0.0" />
     <PackageReference Include="Avalonia.Desktop" Version="11.2.3" />
-    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.3" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="12.0.0" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.3" />
     <PackageReference Include="Avalonia.ReactiveUI" Version="11.2.3" />
   </ItemGroup>