diff --git a/plugins-CumulativeTensorLayers/build.sbt b/plugins-CumulativeTensorLayers/build.sbt
index 8df33de2..75e6472d 100644
--- a/plugins-CumulativeTensorLayers/build.sbt
+++ b/plugins-CumulativeTensorLayers/build.sbt
@@ -25,4 +25,4 @@ exampleSuperTypes := exampleSuperTypes.value.map {
 
 scalacOptions += "-Ypartial-unification"
 
-libraryDependencies += "ch.qos.logback" % "logback-classic" % "1.2.3" % Test
+libraryDependencies += "ch.qos.logback" % "logback-classic" % "1.2.12" % Test