diff --git a/pom.xml b/pom.xml
index 1b97e501..6dcac215 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,8 +83,8 @@
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
             <configuration>
-                <source>9</source>
-                <target>9</target>
+                <source>8</source>
+                <target>8</target>
             </configuration>
         </plugin>
     </plugins>