diff --git a/mapstruct/pom.xml b/mapstruct/pom.xml
index 9fe6ab6485..9b416177e7 100644
--- a/mapstruct/pom.xml
+++ b/mapstruct/pom.xml
@@ -71,7 +71,7 @@
     </build>
 
     <properties>
-        <org.mapstruct.version>1.4.0.Beta1</org.mapstruct.version>
+        <org.mapstruct.version>1.3.1.Final</org.mapstruct.version>
         <springframework.version>4.3.4.RELEASE</springframework.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
diff --git a/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/CompanyMapperAdderPreferred.java b/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/CompanyMapperAdderPreferred.java
index e5cc43074e..094d87351a 100644
--- a/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/CompanyMapperAdderPreferred.java
+++ b/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/CompanyMapperAdderPreferred.java
@@ -5,7 +5,8 @@ import com.baeldung.mapstruct.mappingCollections.model.Company;
 import org.mapstruct.CollectionMappingStrategy;
 import org.mapstruct.Mapper;
 
-@Mapper(collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED)
+@Mapper(collectionMappingStrategy = CollectionMappingStrategy.ADDER_PREFERRED,
+        uses = EmployeeMapper.class)
 public interface CompanyMapperAdderPreferred {
 
     CompanyDTO map(Company company);
diff --git a/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/EmployeeMapper.java b/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/EmployeeMapper.java
index 45bf76c5a4..4a723f049a 100644
--- a/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/EmployeeMapper.java
+++ b/mapstruct/src/main/java/com/baeldung/mapstruct/mappingCollections/mapper/EmployeeMapper.java
@@ -11,6 +11,8 @@ import java.util.Set;
 @Mapper
 public interface EmployeeMapper {
 
+    EmployeeDTO map(Employee employee);
+
     List<EmployeeDTO> map(List<Employee> employees);
 
     Set<EmployeeDTO> map(Set<Employee> employees);