diff --git a/app/build.gradle b/app/build.gradle
index 6b148ce9..8991136f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,13 +3,13 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.0"
 
     defaultConfig {
         applicationId "com.simplemobiletools.notes"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 26
         versionCode 34
         versionName "2.2.1"
     }
@@ -38,7 +38,7 @@ dependencies {
 }
 
 buildscript {
-    ext.kotlin_version = '1.1.1'
+    ext.kotlin_version = '1.1.2-5'
     repositories {
         mavenCentral()
     }
diff --git a/build.gradle b/build.gradle
index b78a0b86..c2eea8e2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
+        classpath 'com.android.tools.build:gradle:2.3.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files