diff --git a/build.gradle b/build.gradle
index 8f529fa9..428f2c52 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,8 +28,8 @@ buildscript {
 apply plugin: 'maven'
 apply from: 'gradle/functions.gradle'
 
-def apktoolversion_major = '2.2.0'
-def apktoolversion_minor = '';
+def apktoolversion_major = '2.2.1'
+def apktoolversion_minor = 'SNAPSHOT';
 
 defaultTasks 'build', 'fatJar', 'proguard'