diff --git a/build.gradle b/build.gradle
index 45c6d8d1d..d6d339908 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,3 +1,8 @@
+apply plugin: 'idea'
+
+version = '0.8.0'
+def jarVersion = version
+
 buildscript {
     repositories {
         mavenCentral()
@@ -18,17 +23,39 @@ allprojects {
 
     apply plugin: 'jacoco'
     apply plugin: 'com.github.kt3k.coveralls'
-    apply plugin: 'idea'
 }
 
 subprojects {
-    group = 'org.cf'
-
     apply plugin: 'java'
-    sourceCompatibility = 1.7
     apply plugin: 'eclipse'
+    apply plugin: 'idea'
     apply plugin: 'com.github.johnrengelman.shadow'
 
+    group = 'org.cf'
+    sourceCompatibility = 1.7
+    version = parent.version
+
+    jar {
+        version = jarVersion
+    }
+
+    ext {
+        depends = [
+            args4j: 'args4j:args4j:2.32',
+            commons_io: 'commons-io:commons-io:2.4',
+            commons_lang: 'org.apache.commons:commons-lang3:3.4',
+            findbugs: 'com.google.code.findbugs:jsr305:1.3.9',
+            guava: 'com.google.guava:guava:18.0',
+            junit: 'junit:junit:4.12',
+            mockito: 'org.mockito:mockito-core:1.10.19',
+            perfidix: 'org.perfidix:perfidix:3.6.9',
+            proguard_gradle: 'net.sf.proguard:proguard-gradle:5.2.1',
+            slf4j_api: 'org.slf4j:slf4j-api:1.7.12',
+            trove4j: 'net.sf.trove4j:trove4j:3.0.3',
+         ]
+    }
+
+    // This is just to show off API usage. No tests needed.
     if (!project.name.equals("demoapp")) {
         jacocoTestReport {
             reports {
diff --git a/simplify/build.gradle b/simplify/build.gradle
index 6d92650d6..2a56ffa70 100644
--- a/simplify/build.gradle
+++ b/simplify/build.gradle
@@ -1,31 +1,79 @@
-project.version = '0.8.0'
-
-apply plugin: 'application'
-mainClassName = 'org.cf.simplify.Main'
+buildscript {
+    dependencies {
+        classpath depends.proguard_gradle
+    }
+    repositories {
+        mavenCentral()
+    }
+}
 
 dependencies {
     compile project(':smalivm')
 
     // Lazy
-    compile 'commons-io:commons-io:2.4'
-    compile 'org.apache.commons:commons-lang3:3.4'
+    compile depends.commons_io
+    compile depends.commons_lang
 
     // CLI parsing
-    compile 'args4j:args4j:2.32'
+    compile depends.args4j
 
     // Primitive collections
-    compile 'net.sf.trove4j:trove4j:3.0.3'
+    compile depends.trove4j
 
     // Perfromance benchmarking
-    compile 'org.perfidix:perfidix:3.6.9'
+    compile depends.perfidix
 
     // Logging
-    compile 'org.slf4j:slf4j-api:1.7.12'
+    compile depends.slf4j_api
     compile 'ch.qos.logback:logback-core:1.1.3'
     compile 'ch.qos.logback:logback-classic:1.1.3'
 
     // Testing
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testCompile depends.junit
+    testCompile depends.mockito
     testCompile project(path: ':smalivm', configuration: 'testArtifacts')
 }
+
+// Build a separate jar that contains all dependencies
+task fatJar(type: Jar) {
+    from sourceSets.main.output
+    from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
+
+    manifest {
+        attributes('Main-Class': 'org.cf.simplify.Main')
+    }
+
+    doLast {
+        if (!System.getProperty('os.name').toLowerCase().contains('windows')) {
+            ant.symlink(link: file("${destinationDir}/simplify.jar"), resource: archivePath, overwrite: true)
+        }
+    }
+}
+tasks.getByPath('build').dependsOn(fatJar)
+
+task proguard(type: proguard.gradle.ProGuardTask, dependsOn: fatJar) {
+    def outFile = fatJar.destinationDir.getPath() + '/' + fatJar.baseName + '-' + fatJar.version + '-proguard' + '.' + fatJar.extension
+
+    print fatJar.archivePath
+    injars fatJar.archivePath
+    outjars outFile
+
+    libraryjars "${System.properties['java.home']}/lib/rt.jar"
+
+    dontobfuscate
+    //dontoptimize
+
+    keepclassmembers 'enum * { public static **[] values(); public static ** valueOf(java.lang.String); }'
+    keepattributes '*Annotation*,Signature,InnerClasses,EnclosingMethod'
+
+    keep 'public class org.cf.simplify.Main { public static void main(java.lang.String[]); }'
+    keep 'public class org.cf.simplify.Options  { *; }'
+    keep 'public class android.util.**  { *; }'
+
+    keep 'class org.apache.commons.logging.** { public protected *; }'
+    keep 'public class org.kohsuke.args4j.** { public protected *; }'
+    keep 'public class ch.qos.** { public protected *; }'
+
+    dontwarn
+    verbose
+}
diff --git a/smalivm/build.gradle b/smalivm/build.gradle
index 4576acddc..d7675c596 100644
--- a/smalivm/build.gradle
+++ b/smalivm/build.gradle
@@ -1,19 +1,3 @@
-project.version = '0.8.0'
-
-task myTestsJar(type: Jar) {
-    // Simplify uses some classes from smalivm's tests.
-    classifier = 'tests'
-    from sourceSets.test.output
-}
-
-configurations {
-  testArtifacts
-}
-
-artifacts {
-   testArtifacts myTestsJar
-}
-
 dependencies {
     // Object cloning
     compile 'uk.com.robust-it:cloning:1.9.2'
@@ -22,17 +6,17 @@ dependencies {
     compile 'commons-beanutils:commons-beanutils:1.9.2'
 
     // Lazy
-    compile 'commons-io:commons-io:2.4'
-    compile 'org.apache.commons:commons-lang3:3.4'
+    compile depends.commons_io
+    compile depends.commons_lang
 
     // Primitive collections
-    compile 'net.sf.trove4j:trove4j:3.0.3'
+    compile depends.trove4j
 
     // Perfromance benchmarking
-    compile 'org.perfidix:perfidix:3.6.9'
+    compile depends.perfidix
 
     // Logging facade
-    compile 'org.slf4j:slf4j-api:1.7.12'
+    compile depends.slf4j_api
 
     // Parsing and writing dex files
     compile 'org.smali:dexlib2:2.0.6'
@@ -42,6 +26,20 @@ dependencies {
     // Contains Android framework classes that should be reflected instead of virtually executed
     compile files('libs/android-local.jar')
 
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testCompile depends.junit
+    testCompile depends.mockito
+}
+
+task myTestsJar(type: Jar) {
+    // Simplify uses some classes from smalivm's tests.
+    classifier = 'tests'
+    from sourceSets.test.output
+}
+
+configurations {
+  testArtifacts
+}
+
+artifacts {
+   testArtifacts myTestsJar
 }