diff --git a/codecopy-bussiness-old-service/pom.xml b/codecopy-bussiness-old-service/pom.xml
index 1873f7c..544cedd 100644
--- a/codecopy-bussiness-old-service/pom.xml
+++ b/codecopy-bussiness-old-service/pom.xml
@@ -162,7 +162,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.3</version>
+            <version>1.2.9</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>