diff --git a/dependencies/default/pom.xml b/dependencies/default/pom.xml
index 435f3a63b53..d8bbe5800c1 100644
--- a/dependencies/default/pom.xml
+++ b/dependencies/default/pom.xml
@@ -53,7 +53,7 @@
     <hibernate-validator.version>9.0.1.Final</hibernate-validator.version>
     <httpcomponents.version>4.5.14</httpcomponents.version>
     <hystrix.version>1.5.18</hystrix.version>
-    <jackson.version>2.18.3</jackson.version>
+    <jackson.version>2.19.2</jackson.version>
     <java-websocket.version>1.6.0</java-websocket.version>
     <javax-annotation.version>1.3.2</javax-annotation.version>
     <javax-inject.version>1</javax-inject.version>
diff --git a/swagger/swagger-generator/generator-core/src/test/java/org/apache/servicecomb/swagger/extend/module/EnumModuleExtTest.java b/swagger/swagger-generator/generator-core/src/test/java/org/apache/servicecomb/swagger/extend/module/EnumModuleExtTest.java
index e6865b1055b..309f84f4b4a 100644
--- a/swagger/swagger-generator/generator-core/src/test/java/org/apache/servicecomb/swagger/extend/module/EnumModuleExtTest.java
+++ b/swagger/swagger-generator/generator-core/src/test/java/org/apache/servicecomb/swagger/extend/module/EnumModuleExtTest.java
@@ -56,7 +56,7 @@ public void testEnumModule() throws JsonProcessingException {
     serializeValue = mapper.writeValueAsString(TestEnum.E_F);
     Assertions.assertEquals("\"E.F\"", serializeValue);
     serializeValue = mapper.writeValueAsString(TestEnum.HI);
-    Assertions.assertEquals("\"HI\"", serializeValue);
+    Assertions.assertEquals("\"\"", serializeValue);
   }
 
   @Test
@@ -64,6 +64,6 @@ public void testEnumModuleModel() {
     OpenAPI openAPI = new OpenAPI();
     Schema schema = SwaggerUtils.resolveTypeSchemas(openAPI, TestEnum.class);
     Assertions.assertEquals(schema.getType(), "string");
-    MatcherAssert.assertThat((List<String>) schema.getEnum(), contains("AB", "C-D", "E.F", "HI"));
+    MatcherAssert.assertThat((List<String>) schema.getEnum(), contains("AB", "C-D", "E.F", ""));
   }
 }