diff --git a/4_constructor_arg/pom.xml b/4_constructor_arg/pom.xml
index 8a0c769..8f5371f 100644
--- a/4_constructor_arg/pom.xml
+++ b/4_constructor_arg/pom.xml
@@ -18,7 +18,7 @@
 		<hibernate.version>4.2.1.Final</hibernate.version>
 
 		<!-- Logging -->
-		<logback.version>1.0.13</logback.version>
+		<logback.version>1.2.0</logback.version>
 		<slf4j.version>1.7.5</slf4j.version>
 
 		<!-- Test -->