diff --git a/SafeRapidPdf.UnitTests/SafeRapidPdf.UnitTests.csproj b/SafeRapidPdf.UnitTests/SafeRapidPdf.UnitTests.csproj
index 89bba1e..e6f0596 100644
--- a/SafeRapidPdf.UnitTests/SafeRapidPdf.UnitTests.csproj
+++ b/SafeRapidPdf.UnitTests/SafeRapidPdf.UnitTests.csproj
@@ -16,7 +16,7 @@
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-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.analyzers" Version="1.27.0">