diff --git a/bootstrap/pom.xml b/bootstrap/pom.xml
index 99173dbc..39816e7b 100644
--- a/bootstrap/pom.xml
+++ b/bootstrap/pom.xml
@@ -79,4 +79,25 @@
             </plugin>
         </plugins>
     </build>
+
+    <profiles>
+        <profile>
+            <id>jdk-9-release</id>
+            <activation>
+                <jdk>[9,)</jdk>
+            </activation>
+            <properties>
+                <maven.compiler.release>6</maven.compiler.release>
+            </properties>
+        </profile>
+        <profile>
+            <id>jdk-12-release</id>
+            <activation>
+                <jdk>[12,)</jdk>
+            </activation>
+            <properties>
+                <maven.compiler.release>7</maven.compiler.release>
+            </properties>
+        </profile>
+    </profiles>
 </project>
diff --git a/pom.xml b/pom.xml
index b077a506..472ba2d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,7 +99,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.10</version>
+            <version>1.18.12</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
@@ -122,6 +122,11 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
@@ -171,6 +176,34 @@
     </build>
 
     <profiles>
+        <profile>
+            <id>jdk-9-release</id>
+            <activation>
+                <jdk>[9,)</jdk>
+            </activation>
+            <properties>
+                <maven.compiler.release>8</maven.compiler.release>
+            </properties>
+        </profile>
+        <profile>
+            <id>jdk-9-javadoc</id>
+            <activation>
+                <jdk>[9,)</jdk>
+            </activation>
+            <build>
+                <pluginManagement>
+                    <plugins>
+                        <plugin>
+                            <groupId>org.apache.maven.plugins</groupId>
+                            <artifactId>maven-javadoc-plugin</artifactId>
+                            <configuration>
+                                <additionalOptions>-html5</additionalOptions>
+                            </configuration>
+                        </plugin>
+                    </plugins>
+                </pluginManagement>
+            </build>
+        </profile>
         <profile>
             <id>dist</id>
             <build>
@@ -191,7 +224,7 @@
                     <plugin>
                         <groupId>org.projectlombok</groupId>
                         <artifactId>lombok-maven-plugin</artifactId>
-                        <version>1.18.10.0</version>
+                        <version>1.18.12.0</version>
                         <executions>
                             <execution>
                                 <phase>package</phase>