diff --git a/mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/generator/AutoMapperGenerator.java b/mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/generator/AutoMapperGenerator.java
index 9cd8f02..3785ed4 100644
--- a/mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/generator/AutoMapperGenerator.java
+++ b/mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/generator/AutoMapperGenerator.java
@@ -10,7 +10,7 @@ import com.squareup.javapoet.MethodSpec;
 import com.squareup.javapoet.ParameterSpec;
 import com.squareup.javapoet.ParameterizedTypeName;
 import com.squareup.javapoet.TypeSpec;
-import io.github.linpeilie.annotations.ImmutableEntity;
+import io.github.linpeilie.annotations.Immutable;
 import io.github.linpeilie.processor.metadata.AutoMapperMetadata;
 import io.github.linpeilie.processor.metadata.AutoMappingMetadata;
 import java.io.IOException;
@@ -91,7 +91,7 @@ public class AutoMapperGenerator {
         final TypeElement targetElement = processingEnv.getElementUtils()
             .getTypeElement(className.packageName() + "." + className.simpleName());
         if (targetElement != null) {
-            return targetElement.getAnnotation(ImmutableEntity.class) != null;
+            return targetElement.getAnnotation(Immutable.class) != null;
         }
         return false;
     }
diff --git a/mapstruct-plus/src/main/java/io/github/linpeilie/annotations/ImmutableEntity.java b/mapstruct-plus/src/main/java/io/github/linpeilie/annotations/Immutable.java
similarity index 89%
rename from mapstruct-plus/src/main/java/io/github/linpeilie/annotations/ImmutableEntity.java
rename to mapstruct-plus/src/main/java/io/github/linpeilie/annotations/Immutable.java
index 0d0c5eb..51bbd76 100644
--- a/mapstruct-plus/src/main/java/io/github/linpeilie/annotations/ImmutableEntity.java
+++ b/mapstruct-plus/src/main/java/io/github/linpeilie/annotations/Immutable.java
@@ -9,5 +9,5 @@ import java.lang.annotation.Target;
 @Documented
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.CLASS)
-public @interface ImmutableEntity {
+public @interface Immutable {
 }