diff --git a/build.gradle b/build.gradle
index a619e0d2..97d023a9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,8 +35,8 @@ defaultTasks 'build', 'fatJar', 'proguard'
 
 allprojects {
     apply plugin: 'java'
-    sourceCompatibility = 1.7
-    targetCompatibility = 1.7
+    sourceCompatibility = JavaVersion.VERSION_1_7
+    targetCompatibility = JavaVersion.VERSION_1_7
 }
 
 if (!('release' in gradle.startParameter.taskNames)) {
@@ -85,15 +85,15 @@ subprojects {
 
     ext {
         depends = [
-                baksmali: 'org.smali:baksmali:2.1.1',
+                baksmali: 'org.smali:baksmali:2.1.3',
                 commons_cli: 'commons-cli:commons-cli:1.2',
                 commons_io: 'commons-io:commons-io:2.4',
                 commons_lang: 'org.apache.commons:commons-lang3:3.1',
-                findbugs: 'com.google.code.findbugs:jsr305:1.3.9',
+                findbugs: 'com.google.code.findbugs:jsr305:3.0.1',
                 guava: 'com.google.guava:guava:14.0',
-                junit: 'junit:junit:4.6',
+                junit: 'junit:junit:4.12',
                 proguard_gradle: 'net.sf.proguard:proguard-gradle:5.2.1',
-                snakeyaml: 'org.yaml:snakeyaml:1.12',
+                snakeyaml: 'org.yaml:snakeyaml:1.17',
                 smali: 'org.smali:smali:2.1.3',
                 xmlpull: 'xpp3:xpp3:1.1.4c',
                 xmlunit: 'xmlunit:xmlunit:1.3',