diff --git a/type_annotations/pom.xml b/type_annotations/pom.xml
index e04034cd3e9..365123af188 100644
--- a/type_annotations/pom.xml
+++ b/type_annotations/pom.xml
@@ -43,4 +43,18 @@
       <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
     </license>
   </licenses>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>8</source>
+          <target>8</target>
+          <compilerArgs combine.self="override" />
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
 </project>