-<unit id="ch.qos.logback.classic" version="1.1.7"/>
-<unit id="ch.qos.logback.classic.source" version="1.1.7"/>
-<unit id="ch.qos.logback.core" version="1.1.7"/>
-<unit id="ch.qos.logback.core.source" version="1.1.7"/>
+<unit id="ch.qos.logback.classic" version="1.2.3"/>
+<unit id="ch.qos.logback.classic.source" version="1.2.3"/>
+<unit id="ch.qos.logback.core" version="1.2.3"/>
+<unit id="ch.qos.logback.core.source" version="1.2.3"/>