diff --git a/build.gradle b/build.gradle
index 9a23d55..547e155 100755
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0-alpha13'
+        classpath 'com.android.tools.build:gradle:3.3.2'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
 
diff --git a/pinentryedittext/build.gradle b/pinentryedittext/build.gradle
index bce3868..dd22285 100755
--- a/pinentryedittext/build.gradle
+++ b/pinentryedittext/build.gradle
@@ -51,7 +51,6 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     api 'com.android.support:support-v4:28.0.0'
     api 'com.android.support:appcompat-v7:28.0.0'
-    api 'com.android.support:support-v13:28.0.0'
 }
 
 apply from: 'https://raw.githubusercontent.com/alphamu/JCenter/master/bintrayv1.gradle'
diff --git a/pinentryedittext/src/main/java/com/alimuzaffar/lib/pin/PinEntryEditText.java b/pinentryedittext/src/main/java/com/alimuzaffar/lib/pin/PinEntryEditText.java
index be41a48..31a1f22 100755
--- a/pinentryedittext/src/main/java/com/alimuzaffar/lib/pin/PinEntryEditText.java
+++ b/pinentryedittext/src/main/java/com/alimuzaffar/lib/pin/PinEntryEditText.java
@@ -28,8 +28,8 @@
 import android.graphics.RectF;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
-import android.support.v13.view.ViewCompat;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.view.ViewCompat;
 import android.support.v7.widget.AppCompatEditText;
 import android.text.InputFilter;
 import android.text.InputType;