diff --git a/src/FluentAssertions.Json/FluentAssertions.Json.csproj b/src/FluentAssertions.Json/FluentAssertions.Json.csproj
index a58679b..bc327d3 100644
--- a/src/FluentAssertions.Json/FluentAssertions.Json.csproj
+++ b/src/FluentAssertions.Json/FluentAssertions.Json.csproj
@@ -11,9 +11,12 @@
     <PackageProjectUrl>https://github.com/PosInformatique/PosInformatique.FluentAssertions.Json</PackageProjectUrl>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PackageReleaseNotes>
+      1.0.5
+      - Use the FluentAssertions library version 6.0.0 instead of 5.0.0 to fix breaking changes of the API.
+
       1.0.4
       - Ignore the properties with the [JsonIgnore] attribute.
-      
+
       1.0.3
       - Target the .NET Standard 2.0 instead of .NET Core 6.0
 
@@ -30,7 +33,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="5.0.0" />
+    <PackageReference Include="FluentAssertions" Version="6.0.0" />
     <PackageReference Include="System.Text.Json" Version="5.0.0" />
   </ItemGroup>
 
diff --git a/src/FluentAssertions.Json/JsonFluentAssertionsExtensions.cs b/src/FluentAssertions.Json/JsonFluentAssertionsExtensions.cs
index 10629c3..746b1dc 100644
--- a/src/FluentAssertions.Json/JsonFluentAssertionsExtensions.cs
+++ b/src/FluentAssertions.Json/JsonFluentAssertionsExtensions.cs
@@ -76,7 +76,7 @@ public static void BeJsonDeserializableInto<T>(this ObjectAssertions assertions,
 
         private static bool IsIgnoredProperty(IMemberInfo member)
         {
-            var property = member.SelectedMemberInfo.DeclaringType.GetProperty(member.SelectedMemberInfo.Name);
+            var property = member.DeclaringType.GetProperty(member.Name);
 
             var attribute = property.GetCustomAttribute<JsonIgnoreAttribute>();