diff --git a/src/Shouldly/Shouldly.csproj b/src/Shouldly/Shouldly.csproj
index ed3b8f9b3..687507640 100644
--- a/src/Shouldly/Shouldly.csproj
+++ b/src/Shouldly/Shouldly.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <Optimize>false</Optimize>
@@ -21,7 +21,7 @@
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="DiffEngine" Version="10.4.0" />
+    <PackageReference Include="DiffEngine" Version="11.4.1" />
     <PackageReference Include="EmptyFiles" Version="3.0.0" PrivateAssets="None" />
     <Content Include="build.props" PackagePath="build\Shouldly.props" />
     <Content Include="buildMultiTargeting.props" PackagePath="buildMultiTargeting\Shouldly.props" />