diff --git a/tests/ApiClient.Tests/ApiClient.Tests.csproj b/tests/ApiClient.Tests/ApiClient.Tests.csproj
index 0fc444d..dc8d070 100644
--- a/tests/ApiClient.Tests/ApiClient.Tests.csproj
+++ b/tests/ApiClient.Tests/ApiClient.Tests.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit.Analyzers" Version="4.4.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.1.0" />
     <PackageReference Include="WireMock.Net" Version="1.*" />
   </ItemGroup>