diff --git a/microservicecloud-parent/pom.xml b/microservicecloud-parent/pom.xml
index e693b57..e09267f 100644
--- a/microservicecloud-parent/pom.xml
+++ b/microservicecloud-parent/pom.xml
@@ -56,7 +56,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-core</artifactId>
-                <version>1.2.3</version>
+                <version>1.2.9</version>
             </dependency>
 
             <dependency>