diff --git a/Refit.GeneratorTests/Refit.GeneratorTests.csproj b/Refit.GeneratorTests/Refit.GeneratorTests.csproj
index 9464d6af6..9752ec59f 100644
--- a/Refit.GeneratorTests/Refit.GeneratorTests.csproj
+++ b/Refit.GeneratorTests/Refit.GeneratorTests.csproj
@@ -21,7 +21,7 @@
   <ItemGroup>
     <PackageReference Include="System.Formats.Asn1" Version="9.0.*" />
     <PackageReference Include="coverlet.collector" Version="8.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
      <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" /> 
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
diff --git a/Refit.Tests/Refit.Tests.csproj b/Refit.Tests/Refit.Tests.csproj
index 105c4dd38..ca6a0884d 100644
--- a/Refit.Tests/Refit.Tests.csproj
+++ b/Refit.Tests/Refit.Tests.csproj
@@ -37,7 +37,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.msbuild" Version="8.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="System.Formats.Asn1" Version="9.0.3" />
     <PackageReference Include="xunit" Version="2.9.3" />