diff --git a/pom.xml b/pom.xml
index 95731c0..0fb028b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -187,7 +187,7 @@
                         <version>3.2.0</version>
                         <configuration>
                             <overview>${basedir}/src/main/javadoc/overview.html</overview>
-                            <source>1.8</source>
+                            <source>11</source>
                         </configuration>
                         <executions>
                             <execution>