diff --git a/code/pom.xml b/code/pom.xml
index daf6903..c719e51 100644
--- a/code/pom.xml
+++ b/code/pom.xml
@@ -59,7 +59,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <testng.version>6.9.8</testng.version>
-        <logback.version>1.2.10</logback.version>
+        <logback.version>1.3.12</logback.version>
         <slf4j.version>1.6.4</slf4j.version>
         <jackson.version>2.10.2</jackson.version>
         <maven.compiler.source>1.7</maven.compiler.source>