diff --git a/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java b/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
index cdb4705b42..c6d5f68ae6 100644
--- a/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
+++ b/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
@@ -1781,7 +1781,7 @@ protected void resolveSchemaMembers(Schema schema, Annotated a, Annotation[] ann
         }
     }
 
-    private void addRequiredItem(Schema model, String propName) {
+    protected void addRequiredItem(Schema model, String propName) {
         if (model == null || propName == null || StringUtils.isBlank(propName)) {
             return;
         }