diff --git a/sentinel-demo/sentinel-demo-log-logback/pom.xml b/sentinel-demo/sentinel-demo-log-logback/pom.xml
index 53e8bd58b1..855760bebe 100644
--- a/sentinel-demo/sentinel-demo-log-logback/pom.xml
+++ b/sentinel-demo/sentinel-demo-log-logback/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.3</version>
+            <version>1.2.9</version>
         </dependency>
 
         <dependency>