diff --git a/pom.xml b/pom.xml
index 4774e70..c7941b2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,9 +69,8 @@
               <id>default-compile</id>
               <configuration>
                 <jdkToolchain>
-                  <version>9</version>
+                  <version>8</version>
                 </jdkToolchain>
-                <release>9</release>
               </configuration>
             </execution>
             <execution>