diff --git a/ZooTycoon.NET.Helpers.Tests/ZooTycoon.NET.Helpers.Tests.csproj b/ZooTycoon.NET.Helpers.Tests/ZooTycoon.NET.Helpers.Tests.csproj
index dc16f43..d6ed5a9 100644
--- a/ZooTycoon.NET.Helpers.Tests/ZooTycoon.NET.Helpers.Tests.csproj
+++ b/ZooTycoon.NET.Helpers.Tests/ZooTycoon.NET.Helpers.Tests.csproj
@@ -10,7 +10,7 @@
 
   <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">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/ZooTycoon.NET.Mapping.Tests/ZooTycoon.NET.Mapping.Tests.csproj b/ZooTycoon.NET.Mapping.Tests/ZooTycoon.NET.Mapping.Tests.csproj
index 4556ce0..5c4ad74 100644
--- a/ZooTycoon.NET.Mapping.Tests/ZooTycoon.NET.Mapping.Tests.csproj
+++ b/ZooTycoon.NET.Mapping.Tests/ZooTycoon.NET.Mapping.Tests.csproj
@@ -10,7 +10,7 @@
 
   <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">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>