diff --git a/src/nunit.analyzers.tests/nunit.analyzers.tests.csproj b/src/nunit.analyzers.tests/nunit.analyzers.tests.csproj
index 14e0124f..0324c495 100644
--- a/src/nunit.analyzers.tests/nunit.analyzers.tests.csproj
+++ b/src/nunit.analyzers.tests/nunit.analyzers.tests.csproj
@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(NUnitVersion)' == '3'">
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="4.0.1" />
   </ItemGroup>
 
   <ItemGroup>