diff --git a/core-java-modules/core-java-collections-set/pom.xml b/core-java-modules/core-java-collections-set/pom.xml
index 8ba1b2400d..c89ba0c091 100644
--- a/core-java-modules/core-java-collections-set/pom.xml
+++ b/core-java-modules/core-java-collections-set/pom.xml
@@ -34,7 +34,23 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <commons-collections4.version>4.3</commons-collections4.version>
         <gson.version>2.8.5</gson.version>
     </properties>
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 5e7ffa37b9..ebdb11925b 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -42,7 +42,7 @@
         <module>core-java-collections-list</module>
         <module>core-java-collections-list-2</module>
         <module>core-java-collections-list-3</module>
-        <module>core-java-collections-set</module>
+        <!-- <module>core-java-collections-set</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
 
         <module>core-java-concurrency-2</module>
         <module>core-java-concurrency-advanced</module>