diff --git a/builder/pom.xml b/builder/pom.xml
index 1ae66ed..50774c2 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -58,5 +58,10 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.speedment.common</groupId>
+            <artifactId>mapstream</artifactId>
+            <version>${mapstream.version}</version>
+        </dependency>
     </dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index 87db8ee..d9d4654 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,5 +57,6 @@
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
         <maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
+        <mapstream.version>2.3.4</mapstream.version>
     </properties>
 </project>