diff --git a/build.xml b/build.xml
index 8fb0374f0a..b72abc4b19 100644
--- a/build.xml
+++ b/build.xml
@@ -351,8 +351,8 @@
           <dependency groupId="com.googlecode.concurrentlinkedhashmap" artifactId="concurrentlinkedhashmap-lru" version="1.3"/>
           <dependency groupId="org.antlr" artifactId="antlr" version="3.2"/>
           <dependency groupId="org.slf4j" artifactId="slf4j-api" version="1.7.2"/>
-          <dependency groupId="ch.qos.logback" artifactId="logback-core" version="1.1.12"/>
-          <dependency groupId="ch.qos.logback" artifactId="logback-classic" version="1.1.12"/>
+          <dependency groupId="ch.qos.logback" artifactId="logback-core" version="1.1.2"/>
+          <dependency groupId="ch.qos.logback" artifactId="logback-classic" version="1.1.2"/>
           <dependency groupId="org.codehaus.jackson" artifactId="jackson-core-asl" version="1.9.2"/>
           <dependency groupId="org.codehaus.jackson" artifactId="jackson-mapper-asl" version="1.9.2"/>
           <dependency groupId="jline" artifactId="jline" version="1.0">
@@ -1113,8 +1113,8 @@
         <pathelement location="${build.dir}/${ant.project.name}-thrift-${version}.jar" />
         <pathelement location="${build.lib}/libthrift-0.9.0.jar" />
         <pathelement location="${build.lib}/slf4j-api-1.7.2.jar" />
-        <pathelement location="${build.lib}/logback-core-1.1.12.jar" />
-        <pathelement location="${build.lib}/logback-classic-1.1.12.jar" />
+        <pathelement location="${build.lib}/logback-core-1.1.2.jar" />
+        <pathelement location="${build.lib}/logback-classic-1.1.2.jar" />
         <pathelement location="${build.lib}/jackson-core-asl-1.9.2.jar" />
         <pathelement location="${build.lib}/jackson-mapper-asl-1.9.2.jar" />
         <fileset dir="${build.dir.lib}">
diff --git a/lib/licenses/logback-classic-1.1.12.txt b/lib/licenses/logback-classic-1.1.2.txt
similarity index 100%
rename from lib/licenses/logback-classic-1.1.12.txt
rename to lib/licenses/logback-classic-1.1.2.txt
diff --git a/lib/licenses/logback-core-1.1.12.txt b/lib/licenses/logback-core-1.1.2.txt
similarity index 100%
rename from lib/licenses/logback-core-1.1.12.txt
rename to lib/licenses/logback-core-1.1.2.txt
diff --git a/lib/logback-core-1.1.12.jar b/lib/logback-core-1.1.2.jar
similarity index 100%
rename from lib/logback-core-1.1.12.jar
rename to lib/logback-core-1.1.2.jar