diff --git a/tmail-backend/jmap/extensions-rabbitmq/src/test/scala/com/linagora/tmail/james/jmap/json/EmailAddressContactMessageSerializerTest.scala b/tmail-backend/jmap/extensions-rabbitmq/src/test/scala/com/linagora/tmail/james/jmap/json/EmailAddressContactMessageSerializerTest.scala
index 2c9bcbaf5b..793405bbd7 100644
--- a/tmail-backend/jmap/extensions-rabbitmq/src/test/scala/com/linagora/tmail/james/jmap/json/EmailAddressContactMessageSerializerTest.scala
+++ b/tmail-backend/jmap/extensions-rabbitmq/src/test/scala/com/linagora/tmail/james/jmap/json/EmailAddressContactMessageSerializerTest.scala
@@ -1,6 +1,6 @@
 package com.linagora.tmail.james.jmap.json
 
-import com.linagora.tmail.james.jmap.contact._
+import com.linagora.tmail.james.jmap.contact.{Addition, ContactOwner, EmailAddressContactMessage, MessageEntry, User}
 import org.apache.james.core.MailAddress
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
diff --git a/tmail-backend/mailets/pom.xml b/tmail-backend/mailets/pom.xml
index 5231a49553..051ccaa8a7 100644
--- a/tmail-backend/mailets/pom.xml
+++ b/tmail-backend/mailets/pom.xml
@@ -19,6 +19,10 @@
             <artifactId>jmap-extensions-api</artifactId>
             <version>1.0.0-SNAPSHOT</version>
         </dependency>
+        <dependency>
+            <groupId>com.sparkjava</groupId>
+            <artifactId>spark-core</artifactId>
+        </dependency>
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>team-mailboxes</artifactId>
diff --git a/tmail-backend/mailets/src/main/scala/com/linagora/tmail/mailets/IndexContacts.java b/tmail-backend/mailets/src/main/scala/com/linagora/tmail/mailets/IndexContacts.java
index 114358f584..b20131615d 100644
--- a/tmail-backend/mailets/src/main/scala/com/linagora/tmail/mailets/IndexContacts.java
+++ b/tmail-backend/mailets/src/main/scala/com/linagora/tmail/mailets/IndexContacts.java
@@ -27,8 +27,8 @@
 import com.github.fge.lambdas.Throwing;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
-import com.linagora.tmail.james.jmap.contact.ContactFields;
 import com.linagora.tmail.james.jmap.EmailAddressContactInjectKeys;
+import com.linagora.tmail.james.jmap.contact.ContactFields;
 import com.linagora.tmail.james.jmap.contact.TmailContactUserAddedEvent;
 
 import reactor.core.publisher.Flux;
diff --git a/tmail-backend/tmail-third-party/openpaas/pom.xml b/tmail-backend/tmail-third-party/openpaas/pom.xml
index 2d8f2d7048..eca5f81170 100644
--- a/tmail-backend/tmail-third-party/openpaas/pom.xml
+++ b/tmail-backend/tmail-third-party/openpaas/pom.xml
@@ -20,6 +20,10 @@
             <artifactId>jmap-extensions-api</artifactId>
             <version>1.0.0-SNAPSHOT</version>
         </dependency>
+        <dependency>
+            <groupId>com.sparkjava</groupId>
+            <artifactId>spark-core</artifactId>
+        </dependency>
         <dependency>
             <groupId>${james.groupId}</groupId>
             <artifactId>apache-james-backends-rabbitmq</artifactId>