diff --git a/openbis_standard_technologies/build.gradle b/openbis_standard_technologies/build.gradle
index 7ef5658ea04e07813b249c152edd6141e56bf7de..6aff152b79783059331de8d181592a1e54443203 100644
--- a/openbis_standard_technologies/build.gradle
+++ b/openbis_standard_technologies/build.gradle
@@ -29,7 +29,7 @@ configurations.create('datastore_server')
 configurations.create('javadoc_sources')
 configurations.create('javadoc_compilation')
 
-def jettyVersion = '9.4.4'
+def jettyVersion = '9.4.9'
 
 dependencies {
 	compile project(':screening'),
@@ -37,13 +37,13 @@ dependencies {
 	
 	providedCompile 'google:gwt-user:2.4'
 					
-	providedRuntime "eclipse:jetty-deploy:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-xml:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-webapp:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-servlet:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-security:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-server:${jettyVersion}.v20170414@jar",
-                    "eclipse:jetty-continuation:${jettyVersion}.v20170414@jar"
+	providedRuntime "eclipse:jetty-deploy:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-xml:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-webapp:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-servlet:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-security:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-server:${jettyVersion}.v20180320@jar",
+                    "eclipse:jetty-continuation:${jettyVersion}.v20180320@jar"
 		
 	gwt 'reveregroup:gwt-image-loader:1.1.4',
                 'google:gwt-dev:+'
@@ -193,7 +193,7 @@ task checkFilesExist {
 
 war.dependsOn compileGwt
 war.dependsOn checkFilesExist
-war.dependsOn signWebStartJars
+//war.dependsOn signWebStartJars
 war {
     rootSpec.eachFile { file ->
         if (file.name.startsWith('cisd-cifex') || file.name.startsWith('datastore_server')) {