diff --git a/pom.xml b/pom.xml
index eea41c7..5e1be60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>be.cytomine.client</groupId>
     <artifactId>cytomine-java-client</artifactId>
-    <version>2.3.0</version>
+    <version>2.3.1</version>
 
     <name>${project.groupId}:${project.artifactId}</name>
     <description>Cytomine-java-client is an opensource Cytomine client.</description>
@@ -139,17 +139,6 @@
 
     <build>
         <plugins>
-<!--            <plugin>-->
-<!--                <groupId>org.sonatype.plugins</groupId>-->
-<!--                <artifactId>nexus-staging-maven-plugin</artifactId>-->
-<!--                <version>1.6.7</version>-->
-<!--                <extensions>true</extensions>-->
-<!--                <configuration>-->
-<!--                    <serverId>ossrh</serverId>-->
-<!--                    <nexusUrl>https://s01.oss.sonatype.org/</nexusUrl>-->
-<!--                    <autoReleaseAfterClose>true</autoReleaseAfterClose>-->
-<!--                </configuration>-->
-<!--            </plugin>-->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
@@ -159,39 +148,6 @@
                     <target>1.8</target>
                 </configuration>
             </plugin>
-            <!-- Attach source jars-->
-<!--            <plugin>-->
-<!--                <artifactId>maven-source-plugin</artifactId>-->
-<!--                <version>3.2.0</version>-->
-<!--                <executions>-->
-<!--                    <execution>-->
-<!--                        <id>attach-source</id>-->
-<!--                        <phase>compile</phase>-->
-<!--                        <goals>-->
-<!--                            <goal>jar-no-fork</goal>-->
-<!--                        </goals>-->
-<!--                    </execution>-->
-<!--                </executions>-->
-<!--            </plugin>-->
-<!--            &lt;!&ndash; Attach javadocs jar &ndash;&gt;-->
-<!--            <plugin>-->
-<!--                <groupId>org.apache.maven.plugins</groupId>-->
-<!--                <artifactId>maven-javadoc-plugin</artifactId>-->
-<!--                <configuration>-->
-<!--                    <additionalOptions>-->
-<!--                        <additionalOption>-Xdoclint:none</additionalOption>-->
-<!--                    </additionalOptions>-->
-<!--                </configuration>-->
-<!--                <version>3.2.0</version>-->
-<!--                <executions>-->
-<!--                    <execution>-->
-<!--                        <id>attach-javadocs</id>-->
-<!--                        <goals>-->
-<!--                            <goal>jar</goal>-->
-<!--                        </goals>-->
-<!--                    </execution>-->
-<!--                </executions>-->
-<!--            </plugin>-->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
@@ -212,28 +168,6 @@
                     </dependency>
                 </dependencies>
             </plugin>
-<!--            <plugin>-->
-<!--                <groupId>org.apache.maven.plugins</groupId>-->
-<!--                <artifactId>maven-gpg-plugin</artifactId>-->
-<!--                <version>1.5</version>-->
-<!--                <executions>-->
-<!--                    <execution>-->
-<!--                        <id>sign-artifacts</id>-->
-<!--                        <phase>verify</phase>-->
-<!--                        <goals>-->
-<!--                            <goal>sign</goal>-->
-<!--                        </goals>-->
-<!--                            <configuration>-->
-<!--                                &lt;!&ndash; Prevent gpg from using pinentry programs. Fixes: gpg: signing-->
-<!--                                    failed: Inappropriate ioctl for device &ndash;&gt;-->
-<!--                                <gpgArguments>-->
-<!--                                    <arg>&#45;&#45;pinentry-mode</arg>-->
-<!--                                    <arg>loopback</arg>-->
-<!--                                </gpgArguments>-->
-<!--                            </configuration>-->
-<!--                    </execution>-->
-<!--                </executions>-->
-<!--            </plugin>-->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
@@ -276,9 +210,5 @@
                 packagecloud+https://packagecloud.io/cytomine-uliege/Cytomine-java-client
             </url>
         </snapshotRepository>
-<!--        <snapshotRepository>-->
-<!--            <id>ossrh</id>-->
-<!--            <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>-->
-<!--        </snapshotRepository>-->
     </distributionManagement>
 </project>