diff --git a/C5.Tests/C5.Tests.csproj b/C5.Tests/C5.Tests.csproj
index b517cd60..5d972141 100644
--- a/C5.Tests/C5.Tests.csproj
+++ b/C5.Tests/C5.Tests.csproj
@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="NUnit" Version="3.13.2" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.2.0" />
     <PackageReference Include="coverlet.collector" Version="3.1.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>