diff --git a/zipkin/pom.xml b/zipkin/pom.xml
index 88d40c73..1184b803 100644
--- a/zipkin/pom.xml
+++ b/zipkin/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>