diff --git a/src/Cake.Npm.Tests/Cake.Npm.Tests.csproj b/src/Cake.Npm.Tests/Cake.Npm.Tests.csproj
index 0af4885..d948178 100644
--- a/src/Cake.Npm.Tests/Cake.Npm.Tests.csproj
+++ b/src/Cake.Npm.Tests/Cake.Npm.Tests.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Cake.Core" Version="4.0.0" />
     <PackageReference Include="Cake.Testing" Version="4.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="Shouldly" Version="3.0.2" />
+    <PackageReference Include="Shouldly" Version="4.2.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>