diff --git a/functions/helloworld/helloworld/pom.xml b/functions/helloworld/helloworld/pom.xml
index 6beba0255ca..444b9e20620 100644
--- a/functions/helloworld/helloworld/pom.xml
+++ b/functions/helloworld/helloworld/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.2</version>
   </parent>
 
   <dependencyManagement>
@@ -50,8 +50,8 @@
   <!-- [START functions_example_pom] -->
   <!-- [START functions_example_pom_dependencies] -->
   <properties>
-    <maven.compiler.target>11</maven.compiler.target>
-    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>25</maven.compiler.target>
+    <maven.compiler.source>25</maven.compiler.source>
   </properties>
 
   <dependencies>
@@ -92,6 +92,25 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <version>0.8.14</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>prepare-agent</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>report</id>
+            <phase>prepare-package</phase>
+            <goals>
+              <goal>report</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
       <!-- [START functions_maven_specify_function] -->
       <plugin>
         <!-- [END functions_maven_specify_function] -->