diff --git a/src/test/java/com/twilio/compliance/ComplianceTest.java b/src/test/java/com/twilio/compliance/ComplianceTest.java
index ec453dad9e..6968602702 100644
--- a/src/test/java/com/twilio/compliance/ComplianceTest.java
+++ b/src/test/java/com/twilio/compliance/ComplianceTest.java
@@ -33,6 +33,8 @@ public void resourceClassSanityCheck() {
             .beAnnotatedWith(com.fasterxml.jackson.annotation.JsonIgnoreProperties.class)
             .andShould()
             .haveOnlyFinalFields()
+            .andShould()
+            .haveOnlyPrivateConstructors()
             .check(twilioClasses);
     }
 }