diff --git a/src/Testing.Autofac.NSubstitute/Testing.Autofac.NSubstitute.csproj b/src/Testing.Autofac.NSubstitute/Testing.Autofac.NSubstitute.csproj
index d6b6c53..9378904 100644
--- a/src/Testing.Autofac.NSubstitute/Testing.Autofac.NSubstitute.csproj
+++ b/src/Testing.Autofac.NSubstitute/Testing.Autofac.NSubstitute.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NSubstitute" Version="5.3.0" />
+    <PackageReference Include="NSubstitute" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>