diff --git a/DocumentOperator.Tests/DocumentOperator.Tests.csproj b/DocumentOperator.Tests/DocumentOperator.Tests.csproj
index e7868cf..5c45924 100644
--- a/DocumentOperator.Tests/DocumentOperator.Tests.csproj
+++ b/DocumentOperator.Tests/DocumentOperator.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
@@ -10,11 +10,13 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <None Remove="TestData\Pdfs\pdfWithSwissQRCode.pdf" />
     <None Remove="TestData\Pdfs\valid.pdf" />
     <None Remove="TestData\Pdfs\pdfWithMoreThanOneAttachment.pdf" />
   </ItemGroup>
 
   <ItemGroup>
+    <EmbeddedResource Include="TestData\Pdfs\pdfWithSwissQRCode.pdf" />
     <EmbeddedResource Include="TestData\Pdfs\valid.pdf" />
     <EmbeddedResource Include="TestData\Pdfs\pdfWithMoreThanOneAttachment.pdf" />
   </ItemGroup>
diff --git a/DocumentOperator.Tests/TestData/Pdfs/pdfWithSwissQRCode.pdf b/DocumentOperator.Tests/TestData/Pdfs/pdfWithSwissQRCode.pdf
new file mode 100644
index 0000000..9f57af2
Binary files /dev/null and b/DocumentOperator.Tests/TestData/Pdfs/pdfWithSwissQRCode.pdf differ