diff --git a/Cesium.IntegrationTests/Cesium.IntegrationTests.csproj b/Cesium.IntegrationTests/Cesium.IntegrationTests.csproj
index 9c68b00d..914195e6 100644
--- a/Cesium.IntegrationTests/Cesium.IntegrationTests.csproj
+++ b/Cesium.IntegrationTests/Cesium.IntegrationTests.csproj
@@ -9,6 +9,9 @@
     <ItemGroup>
         <None Include="**/*.c"/>
         <None Include="**/*.h"/>
+        <None Update="xunit.runner.json">
+          <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </None>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Cesium.IntegrationTests/xunit.runner.json b/Cesium.IntegrationTests/xunit.runner.json
new file mode 100644
index 00000000..511889d9
--- /dev/null
+++ b/Cesium.IntegrationTests/xunit.runner.json
@@ -0,0 +1,4 @@
+{
+    "$schema": "https://xunit.net/schema/current/xunit.runner.schema.json",
+    "maxParallelThreads": 4
+}