diff --git a/tweenease.tests/tweenease.tests.csproj b/tweenease.tests/tweenease.tests.csproj
index cae4f34..8893942 100644
--- a/tweenease.tests/tweenease.tests.csproj
+++ b/tweenease.tests/tweenease.tests.csproj
@@ -13,7 +13,7 @@
     <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="NunitXml.TestLogger" Version="4.1.0" />
   </ItemGroup>