diff --git a/java/java-httpclient-example/java-httpclient-use-example/pom.xml b/java/java-httpclient-example/java-httpclient-use-example/pom.xml
index f5db7bf..34bca39 100644
--- a/java/java-httpclient-example/java-httpclient-use-example/pom.xml
+++ b/java/java-httpclient-example/java-httpclient-use-example/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.9</version>
+            <version>1.2.13</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>