diff --git a/build.gradle b/build.gradle
index 7e2dbc4ff33f640255f8c9294be825e8d265afe1..4be8920f301c8da9be977a58b32fcb0de37aac8c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ dependencies {
     compile 'com.google.android.tools:dx:1.7'
     compile 'com.beust:jcommander:1.30'
     compile 'org.slf4j:slf4j-api:1.7.5'
-    compile 'ch.qos.logback:logback-classic:1.0.11'
+    compile 'ch.qos.logback:logback-classic:1.0.13'
     testCompile 'junit:junit:4.11'
 }
 
@@ -89,6 +89,6 @@ applicationDistribution.with {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.5'
+    gradleVersion = '1.6'
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index faa569a9a0eedc9ff37450fed24a7efd77a86729..a7634b071cb255e91a4572934e55b8cd8877b3e4 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1512f108cdb8147094958525699f014e82d00f67..16546bfdc268aecd37661c7889b240a2e143bf4d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.5-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.6-bin.zip