diff --git a/build.sbt b/build.sbt
index bb6f36d..5e5d970 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,7 +10,7 @@ libraryDependencies ++= Seq(
   "com.univocity" % "univocity-parsers" % "2.6.4",
   "org.elasticsearch" %% "elasticsearch-spark-20" % "6.6.0",
   "edu.stanford.nlp" % "stanford-corenlp" % "3.6.0" artifacts(Artifact("stanford-corenlp", "models"), Artifact("stanford-corenlp")),
-  "ch.qos.logback" % "logback-classic" % "1.2.3",
+  "ch.qos.logback" % "logback-classic" % "1.2.11",
   "org.json4s" %% "json4s-native" % "3.5.4",
   "org.scalatest" %% "scalatest" % "3.0.1"
 )