diff --git a/GTiff2Tiles.Avalonia/GTiff2Tiles.Avalonia.csproj b/GTiff2Tiles.Avalonia/GTiff2Tiles.Avalonia.csproj
index 9f7a1810..d2e4fc35 100644
--- a/GTiff2Tiles.Avalonia/GTiff2Tiles.Avalonia.csproj
+++ b/GTiff2Tiles.Avalonia/GTiff2Tiles.Avalonia.csproj
@@ -7,12 +7,12 @@
 
     <ItemGroup>
         <!-- External dependencies -->
-        <PackageReference Include="Avalonia" Version="11.3.13" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.3.13" />
-        <PackageReference Include="Avalonia.Diagnostics" Version="11.3.13" />
+        <PackageReference Include="Avalonia" Version="12.0.1" />
+        <PackageReference Include="Avalonia.Desktop" Version="12.0.1" />
+        <PackageReference Include="Avalonia.Diagnostics" Version="11.3.14" />
         <PackageReference Include="Avalonia.ReactiveUI" Version="11.3.8" />
-        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.13" />
-        <PackageReference Include="DialogHost.Avalonia" Version="0.11.0" />
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="12.0.1" />
+        <PackageReference Include="DialogHost.Avalonia" Version="0.12.1" />
         <PackageReference Include="MaxRev.Gdal.Universal" Version="3.12.3.499" />
         <PackageReference Include="NetVips.Native" Version="8.18.2" />
 
diff --git a/GTiff2Tiles.Core/GTiff2Tiles.Core.csproj b/GTiff2Tiles.Core/GTiff2Tiles.Core.csproj
index 6c742186..4e384774 100644
--- a/GTiff2Tiles.Core/GTiff2Tiles.Core.csproj
+++ b/GTiff2Tiles.Core/GTiff2Tiles.Core.csproj
@@ -12,7 +12,7 @@
   
   <ItemGroup>
     <PackageReference Include="BitMiracle.LibTiff.NET" Version="2.4.660" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.201">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.203">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
diff --git a/GTiff2Tiles.Tests/GTiff2Tiles.Tests.csproj b/GTiff2Tiles.Tests/GTiff2Tiles.Tests.csproj
index cc794ddf..1ff65d4f 100644
--- a/GTiff2Tiles.Tests/GTiff2Tiles.Tests.csproj
+++ b/GTiff2Tiles.Tests/GTiff2Tiles.Tests.csproj
@@ -6,11 +6,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="8.0.1">
+    <PackageReference Include="coverlet.collector" Version="10.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="8.0.1">
+    <PackageReference Include="coverlet.msbuild" Version="10.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -22,7 +22,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="NUnit.Analyzers" Version="4.12.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
   </ItemGroup>
 
   <ItemGroup>