diff --git a/parent/pom.xml b/parent/pom.xml
index 0daf36689..c3e925d46 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -37,7 +37,7 @@
             <dependency>
                 <groupId>org.freemarker</groupId>
                 <artifactId>freemarker</artifactId>
-                <version>2.3.14</version>
+                <version>2.3.19</version>
             </dependency>
             <dependency>
                 <groupId>org.testng</groupId>
diff --git a/processor/src/main/resources/mapper-implementation.ftl b/processor/src/main/resources/mapper-implementation.ftl
index cf40388b3..957b0c5d5 100644
--- a/processor/src/main/resources/mapper-implementation.ftl
+++ b/processor/src/main/resources/mapper-implementation.ftl
@@ -19,7 +19,12 @@ package ${packageName};
 
 import java.util.ArrayList;
 import java.util.List;
+import javax.annotation.Generated;
 
+@Generated(
+    value = "org.mapstruct.ap.MappingProcessor",
+    date = "${.now?string("yyyy-MM-dd'T'HH:mm:ssZ")}"
+)
 public class ${implementationName} implements ${interfaceName} {
 
     <#list beanMappings as beanMapping>