diff --git a/knowledge-graph/pom.xml b/knowledge-graph/pom.xml
index 9beef86..2fdb266 100644
--- a/knowledge-graph/pom.xml
+++ b/knowledge-graph/pom.xml
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.1.2</version>
+            <version>1.2.0</version>
             <scope>runtime</scope>
             <optional>true</optional>
         </dependency>