diff --git a/pom.xml b/pom.xml
index 3d2cfbe..7a4de3b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,30 +35,21 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
-		<!-- <vaadin.version>7.7.27</vaadin.version> -->
-		<!-- <vaadin.version>7.7.28</vaadin.version> -->
 		<vaadin.version>7.7.35</vaadin.version>
-	 	<!-- <springframework.version>4.3.22.RELEASE</springframework.version> -->
-		<springframework.version>5.3.18</springframework.version>
-		<!-- <spring.data.jpa.version>1.11.23.RELEASE</spring.data.jpa.version>-->
+	 	<!-- <springframework.version>5.3.18</springframework.version> -->
+		<springframework.version>5.3.39</springframework.version>
 		<spring.data.jpa.version>2.6.3</spring.data.jpa.version>
 		<spring.security.version>4.2.20.RELEASE</spring.security.version>
 		<!-- Sign PDF problem <spring.security.version>5.6.2</spring.security.version>  -->
 		<aspectj.version>1.8.2</aspectj.version>
-		<!-- <slf4j.version>1.7.7</slf4j.version>-->
 		<slf4j.version>1.7.32</slf4j.version>
 		<groovy.version>2.3.6</groovy.version>
 		<mysql.connector.version>5.1.49</mysql.connector.version>
-		<!-- <mysql.connector.version>8.0.28</mysql.connector.version> -->
 		<ojdbc7.version>12.1.3-0-0</ojdbc7.version>  
 		<maven-javadoc-plugin.version>2.10.3</maven-javadoc-plugin.version>
 		<maven-assembly-plugin.version>2.5.5</maven-assembly-plugin.version>
 		<tomcat.version>7.0.109</tomcat.version>
 		<!-- WS Apogee AMUE -->
-		<!-- <apo.ws.version>6.30.70</apo.ws.version> -->
-		<!-- <apo.ws.version>6.40.00</apo.ws.version> -->
-		<!-- <apo.ws.version>6.40.30</apo.ws.version> -->
-		<!--<apo.ws.version>6.40.70</apo.ws.version>-->
 		<apo.ws.version>6.50.00</apo.ws.version>
 	</properties>
 
@@ -88,7 +79,7 @@
 			<id>vaadin-addons</id>
 			<url>http://maven.vaadin.com/vaadin-addons</url>
 		</repository>
-		
+
 		<!--  <repository>
 				<id>vaadin-prereleases</id>
 				<name>Vaadin Pre-releases</name>
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
index f37913d..6a0d2f0 100644
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -125,7 +125,7 @@
 	<!-- Ne prend pas en compte les warn sur ServerRpcHandler(Resynchronizing client) -->
 	<logger name="com.vaadin.server.communication.PushHandler" level="off" />
 	<logger name="com.vaadin.server.communication.PushAtmosphereHandler" level="off" />
-	
+
 	<logger name="org.apache.catalina.core.ContainerBase" level="warn" additivity="false" >
 		<appender-ref ref="consoleAppender" />
 		<appender-ref ref="fileAppender" />