diff --git a/pom.xml b/pom.xml
index e820f73..b2d5589 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
         <!-- version of solr -->
         <solr.version>4.6.1</solr.version>
         <slf4j.version>1.7.5</slf4j.version>
-        <logback.version>1.0.13</logback.version>
+        <logback.version>1.2.0</logback.version>
 
     </properties>