diff --git a/gearman-common/pom.xml b/gearman-common/pom.xml
index 661b394..b547e54 100644
--- a/gearman-common/pom.xml
+++ b/gearman-common/pom.xml
@@ -13,7 +13,7 @@
 
     <properties>
         <slf4j.version>1.7.2</slf4j.version>
-        <logback.version>1.2.0</logback.version>
+        <logback.version>1.2.9</logback.version>
         <jackson.version>2.4.2</jackson.version>
         <netty.version>4.1.42.Final</netty.version>
     </properties>