diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0ddda25..f4ac3b2 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -3,8 +3,8 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="aweXpect" Version="2.27.1" />
-    <PackageVersion Include="aweXpect.Core" Version="2.25.1" />
+    <PackageVersion Include="aweXpect" Version="2.31.0" />
+    <PackageVersion Include="aweXpect.Core" Version="2.28.0" />
     <PackageVersion Include="aweXpect.Json" Version="1.6.0" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Text.Json" Version="9.0.2" />
diff --git a/Source/aweXpect.Web/Web/Results/ProblemDetailsOptions.cs b/Source/aweXpect.Web/Web/Results/ProblemDetailsOptions.cs
index ab09f98..951f011 100644
--- a/Source/aweXpect.Web/Web/Results/ProblemDetailsOptions.cs
+++ b/Source/aweXpect.Web/Web/Results/ProblemDetailsOptions.cs
@@ -129,6 +129,7 @@ public Task<bool>
 		=> _instanceOptions.AreConsideredEqual(instance, Instance);
 
 	/// <inheritdoc cref="object.ToString()" />
+#if NET8_0_OR_GREATER
 	public override string ToString()
 		=> _parts.Count switch
 		{
@@ -139,4 +140,16 @@ public override string ToString()
 					.Take(_parts.Count - 1)
 					.Select(part => part.Invoke()))} and {_parts[^1].Invoke()}"
 		};
+#else
+	public override string ToString()
+		=> _parts.Count switch
+		{
+			0 => "",
+			1 => $" and {_parts[0].Invoke()}",
+			_ => $", {string
+				.Join(", ", _parts
+					.Take(_parts.Count - 1)
+					.Select(part => part.Invoke()))} and {_parts[_parts.Count - 1].Invoke()}"
+		};
+#endif
 }