diff --git a/PdfSharpCore.Test/PdfSharpCore.Test.csproj b/PdfSharpCore.Test/PdfSharpCore.Test.csproj
index 58e82ab..1752a92 100644
--- a/PdfSharpCore.Test/PdfSharpCore.Test.csproj
+++ b/PdfSharpCore.Test/PdfSharpCore.Test.csproj
@@ -7,19 +7,19 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="6.0.0">
+    <PackageReference Include="coverlet.msbuild" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="6.11.0" />
-    <PackageReference Include="Magick.NET-Q8-AnyCPU" Version="13.4.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.2" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="Magick.NET-Q8-AnyCPU" Version="13.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="xunit" Version="2.9.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/PdfSharpCore/PdfSharpCore.csproj b/PdfSharpCore/PdfSharpCore.csproj
index c830a38..f203595 100644
--- a/PdfSharpCore/PdfSharpCore.csproj
+++ b/PdfSharpCore/PdfSharpCore.csproj
@@ -47,7 +47,7 @@ PdfSharpCore is a partial port of PdfSharp.Xamarin for .NET Core Additionally Mi
     <Folder Include="Resources\images\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="SharpZipLib" Version="1.3.3" />
+    <PackageReference Include="SharpZipLib" Version="1.4.2" />
     <PackageReference Include="SixLabors.ImageSharp" Version="1.0.4" />
     <PackageReference Include="SixLabors.Fonts" Version="1.0.0-beta17" />
   </ItemGroup>