diff --git a/tests/PayPal.Sdk.Checkout.Test/PayPal.Sdk.Checkout.Test.csproj b/tests/PayPal.Sdk.Checkout.Test/PayPal.Sdk.Checkout.Test.csproj
index eba62a5..1fa896c 100644
--- a/tests/PayPal.Sdk.Checkout.Test/PayPal.Sdk.Checkout.Test.csproj
+++ b/tests/PayPal.Sdk.Checkout.Test/PayPal.Sdk.Checkout.Test.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>