diff --git a/reactive-extensions-test/reactive-extensions-test.csproj b/reactive-extensions-test/reactive-extensions-test.csproj
index 37b9fd0..4786448 100644
--- a/reactive-extensions-test/reactive-extensions-test.csproj
+++ b/reactive-extensions-test/reactive-extensions-test.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
   </ItemGroup>