diff --git a/pom.xml b/pom.xml
index 7bb9cd7a59..ef1f09cfdc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,6 +32,7 @@
    <properties>
       <dependency.spring.version>5.1.6.RELEASE</dependency.spring.version>
       <dependency.surf.version>7.1</dependency.surf.version>
+      <maven.build.sourceVersion>11</maven.build.sourceVersion>
    </properties>
 
    <dependencies>