diff --git a/pom.xml b/pom.xml
index 86b3035..b11032d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,12 +31,15 @@
     <url>https://github.com/eclipse-ee4j/angus-activation</url>
 
     <properties>
-        <spec.version>2.1</spec.version>
+        <spec.version>2.2</spec.version>
         <spec.title>Jakarta Activation Specification</spec.title>
         <activation-api.version>2.1.3</activation-api.version>
         <angus-activation.version>${project.version}</angus-activation.version>
         <graal.sdk.version>23.1.2</graal.sdk.version>
 
+        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.testRelease>${maven.compiler.release}</maven.compiler.testRelease>
+
         <angus-activation.javadoc.source>11</angus-activation.javadoc.source>
         <angus-activation.javadoc.title>Angus Activation API documentation</angus-activation.javadoc.title>
         <angus-activation.javadoc.header><![CDATA[<br>Angus Activation v${angus-activation.version}]]></angus-activation.javadoc.header>
@@ -274,35 +277,15 @@ Copyright &#169; 2019, ${current.year} Eclipse Foundation. All rights reserved.]
                     </execution>
                 </executions>
             </plugin>
-            <!--
-            Use the JDK 9+ compiler but with -source 1.8 for all
-            but the module-info.java file.
-            -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <release>9</release>
                     <compilerArgs>
                         <arg>-Xlint:all</arg>
                     </compilerArgs>
                     <showDeprecation>true</showDeprecation>
-                    <createMissingPackageInfoClass>false</createMissingPackageInfoClass>
                 </configuration>
-                <executions>
-                    <execution>
-                        <id>base-compile</id>
-                        <goals>
-                            <goal>compile</goal>
-                        </goals>
-                        <configuration>
-                            <release>8</release>
-                            <excludes>
-                                <exclude>module-info.java</exclude>
-                            </excludes>
-                        </configuration>
-                    </execution>
-                </executions>
             </plugin>
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>