diff --git a/.travis.yml b/.travis.yml
index f10ddbedb..3245024df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,9 @@ language: android
 android:
   components:
     - tools
-    - platform-tools-24.0.2
+    - platform-tools-26.0.1
     - build-tools-26.0.2
-    - android-24
+    - android-26
     - extra-android-m2repository
 before_cache:
   - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
diff --git a/app/build.gradle b/app/build.gradle
index f9da1b029..d4d7c2bb1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,6 +17,7 @@ buildscript {
  */
 repositories {
     maven { url 'https://maven.fabric.io/public' }
+    maven { url "https://maven.google.com" }
 }
 
 /**
@@ -61,7 +62,7 @@ android {
      * Android SDK and build-tools version
      * Update (both Gradle and local SDK) whenever possible
      */
-    compileSdkVersion 24
+    compileSdkVersion 26
     buildToolsVersion '26.0.2'
 
     /**
@@ -72,7 +73,7 @@ android {
      */
     defaultConfig {
         minSdkVersion 19 /*Dont change this unless you know why*/
-        targetSdkVersion 24 /*Dont change this unless you know why*/
+        targetSdkVersion 26 /*Dont change this unless you know why*/
         versionCode 30
         versionName "4.0.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -150,8 +151,10 @@ dependencies {
     /**
      * Test Build Dependencies
      */
-    compile 'com.android.support:appcompat-v7:24.2.1'
-    compile 'com.android.support:recyclerview-v7:24.2.1'
+    compile 'com.android.support:appcompat-v7:26.1.0'
+    compile 'com.android.support:preference-v7:26.1.0'
+    compile 'com.android.support:recyclerview-v7:26.1.0'
+    compile 'com.android.support:design:26.1.0'
     compile 'com.google.guava:guava:19.0'
     compile 'com.google.code.findbugs:jsr305:3.0.1'
     compile 'com.jakewharton:butterknife:8.4.0'
@@ -162,10 +165,10 @@ dependencies {
     testCompile 'junit:junit:4.12'
     testCompile 'com.squareup.assertj:assertj-android:1.1.1'
     testCompile 'org.mockito:mockito-core:1.10.19'
-    testCompile 'com.android.support:support-annotations:24.2.1'
-    testCompile 'com.android.support.test:runner:0.5'
-    androidTestCompile 'com.android.support:support-annotations:24.2.1'
-    androidTestCompile 'com.android.support.test:runner:0.5'
+    testCompile 'com.android.support:support-annotations:26.1.0'
+    testCompile 'com.android.support.test:runner:1.0.1'
+    androidTestCompile 'com.android.support:support-annotations:26.1.0'
+    androidTestCompile 'com.android.support.test:runner:1.0.1'
     apt 'com.jakewharton:butterknife-compiler:8.4.0'
     apt 'org.projectlombok:lombok:1.16.10'
     onlineCompile 'com.squareup.okhttp3:okhttp:3.7.0'
diff --git a/openCVLibrary330/build.gradle b/openCVLibrary330/build.gradle
index 3da910fb3..e7d65aa17 100644
--- a/openCVLibrary330/build.gradle
+++ b/openCVLibrary330/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 24
+    compileSdkVersion 26
     buildToolsVersion "26.0.2"
 
     defaultConfig {
         minSdkVersion 19
-        targetSdkVersion 24
+        targetSdkVersion 26
     }
 
     buildTypes {