diff --git a/backend/src/main/java/com/openisle/config/SecurityConfig.java b/backend/src/main/java/com/openisle/config/SecurityConfig.java
index 0f292634e..9cfc4d880 100644
--- a/backend/src/main/java/com/openisle/config/SecurityConfig.java
+++ b/backend/src/main/java/com/openisle/config/SecurityConfig.java
@@ -89,6 +89,7 @@ public class SecurityConfig {
                 "http://30.211.97.238",
                 "http://192.168.7.98",
                 "http://192.168.7.98:3000",
+                "https://petstore.swagger.io",
                 websiteUrl,
                 websiteUrl.replace("://www.", "://")
         ));