diff --git a/Solutions/Corvus.Testing.AzureFunctions.SpecFlow/Corvus.Testing.AzureFunctions.SpecFlow.csproj b/Solutions/Corvus.Testing.AzureFunctions.SpecFlow/Corvus.Testing.AzureFunctions.SpecFlow.csproj
index d510673..a6da9da 100644
--- a/Solutions/Corvus.Testing.AzureFunctions.SpecFlow/Corvus.Testing.AzureFunctions.SpecFlow.csproj
+++ b/Solutions/Corvus.Testing.AzureFunctions.SpecFlow/Corvus.Testing.AzureFunctions.SpecFlow.csproj
@@ -21,7 +21,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="SpecFlow" Version="3.9.74" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
   </ItemGroup>
 
diff --git a/Solutions/Corvus.Testing.SpecFlow/Corvus.Testing.SpecFlow.csproj b/Solutions/Corvus.Testing.SpecFlow/Corvus.Testing.SpecFlow.csproj
index 0991017..9ee0142 100644
--- a/Solutions/Corvus.Testing.SpecFlow/Corvus.Testing.SpecFlow.csproj
+++ b/Solutions/Corvus.Testing.SpecFlow/Corvus.Testing.SpecFlow.csproj
@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="6.0.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.0.0" />
     <PackageReference Include="SpecFlow" Version="3.9.74" />
     <PackageReference Include="System.Management" Version="[4.7.*,)" />
   </ItemGroup>