SLING-11512 - Sanity check should check for updated releases/snapshots (#11)

diff --git a/vars/slingOsgiBundleBuild.groovy b/vars/slingOsgiBundleBuild.groovy
index bda30b3..10720d8 100644
--- a/vars/slingOsgiBundleBuild.groovy
+++ b/vars/slingOsgiBundleBuild.groovy
@@ -91,7 +91,7 @@
                         withMaven(maven: globalConfig.mvnVersion,
                             jdk: jenkinsJdkLabel(referenceJdkVersion, globalConfig),
                             publisherStrategy: 'EXPLICIT') {
-                                sh "mvn clean compile ${additionalMavenParams(jobConfig)}"
+                                sh "mvn -U clean compile ${additionalMavenParams(jobConfig)}"
                         }
                     }
                 }