diff --git a/tests/ZCompare.App.Tests/ZCompare.App.Tests.csproj b/tests/ZCompare.App.Tests/ZCompare.App.Tests.csproj
index 7dc404d..242c9ab 100644
--- a/tests/ZCompare.App.Tests/ZCompare.App.Tests.csproj
+++ b/tests/ZCompare.App.Tests/ZCompare.App.Tests.csproj
@@ -13,7 +13,7 @@
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     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/ZCompare.Tests/ZCompare.Tests.csproj b/tests/ZCompare.Tests/ZCompare.Tests.csproj
index 1157d2e..678a459 100644
--- a/tests/ZCompare.Tests/ZCompare.Tests.csproj
+++ b/tests/ZCompare.Tests/ZCompare.Tests.csproj
@@ -11,7 +11,7 @@
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-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
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   <ItemGroup>