diff --git a/plugins/gradle/example-server/build.gradle b/plugins/gradle/example-server/build.gradle
index 9d2976ee6..9ebcd2095 100644
--- a/plugins/gradle/example-server/build.gradle
+++ b/plugins/gradle/example-server/build.gradle
@@ -22,7 +22,7 @@ dependencies {
     implementation "javax.validation:validation-api:2.0.1.Final"
 
     implementation "org.mapstruct:mapstruct:1.4.0.Final"
-    annotationProcessor "org.mapstruct:mapstruct-processor:1.3.1.Final"
+    annotationProcessor "org.mapstruct:mapstruct-processor:1.4.0.Final"
 
     compileOnly "org.projectlombok:lombok:1.18.12"
     annotationProcessor "org.projectlombok:lombok:1.18.12"