diff --git a/src/FluentNHibernate.Specs/FluentNHibernate.Specs.csproj b/src/FluentNHibernate.Specs/FluentNHibernate.Specs.csproj
index 4ad9d405f..d56a8c621 100644
--- a/src/FluentNHibernate.Specs/FluentNHibernate.Specs.csproj
+++ b/src/FluentNHibernate.Specs/FluentNHibernate.Specs.csproj
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="FluentAssertions" Version="6.8.0" />
-    <PackageReference Include="Machine.Specifications" Version="1.1.0" />
+    <PackageReference Include="Machine.Specifications" Version="1.1.1" />
     <PackageReference Include="Machine.Specifications.Runner.VisualStudio" Version="2.10.2" />
   </ItemGroup>