diff --git a/test/LEGO.AsyncAPI.Tests/Validation/ValidationRulesetTests.cs b/test/LEGO.AsyncAPI.Tests/Validation/ValidationRulesetTests.cs
index 48446738..6dda6f63 100644
--- a/test/LEGO.AsyncAPI.Tests/Validation/ValidationRulesetTests.cs
+++ b/test/LEGO.AsyncAPI.Tests/Validation/ValidationRulesetTests.cs
@@ -35,7 +35,7 @@ public void DefaultRuleSet_PropertyReturnsTheCorrectRules()
             Assert.IsNotEmpty(rules);
 
             // Update the number if you add new default rule(s).
-            Assert.AreEqual(17, rules.Count);
+            Assert.AreEqual(18, rules.Count);
         }
     }
 }