diff --git a/app/build.gradle b/app/build.gradle
index 606dd46..71cb120 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,13 +3,13 @@ apply plugin: 'com.android.application'
 
 //noinspection GroovyMissingReturnStatement
 android {
-    compileSdkVersion 25
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '28.0.3'
 
     defaultConfig {
         applicationId "com.miguelgaeta.android_media_picker"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
@@ -33,16 +33,16 @@ android {
 dependencies {
 
     // Support libraries.
-    compile 'com.android.support:appcompat-v7:25.4.0'
+    implementation 'com.android.support:appcompat-v7:27+'
 
     // Rx Java permissions handler.
-    compile 'com.tbruyelle.rxpermissions:rxpermissions:0.5.2@aar'
+    implementation 'com.tbruyelle.rxpermissions:rxpermissions:0.5.2@aar'
 
     // Rx Java
-    compile 'io.reactivex:rxjava:1.3.2'
+    implementation 'io.reactivex:rxjava:1.3.4'
 
     // Rx Java bindings.
-    compile 'com.jakewharton.rxbinding:rxbinding:0.2.0'
+    implementation 'com.jakewharton.rxbinding:rxbinding:0.2.0'
 
-    compile project(':media-picker')
+    implementation project(':media-picker')
 }
diff --git a/build.gradle b/build.gradle
index b69d5bc..0c2a798 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.2.1'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6312c27..ba38a36 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Nov 07 22:04:14 PST 2017
+#Fri Nov 09 11:28:44 PST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
diff --git a/media-picker/build.gradle b/media-picker/build.gradle
index 982ca2e..08bc53f 100644
--- a/media-picker/build.gradle
+++ b/media-picker/build.gradle
@@ -2,12 +2,12 @@ apply plugin: 'com.android.library'
 
 //noinspection GroovyMissingReturnStatement
 android {
-    compileSdkVersion 25
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '28.0.3'
 
     defaultConfig {
         minSdkVersion 15
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
@@ -23,19 +23,19 @@ android {
 dependencies {
 
     //noinspection GradleDynamicVersion
-    provided 'com.android.support:appcompat-v7:25+'
+    implementation 'com.android.support:appcompat-v7:27+'
 
     //noinspection GradleDynamicVersion
-    provided 'com.android.support:animated-vector-drawable:25+'
+    implementation 'com.android.support:animated-vector-drawable:27+'
 
     //noinspection GradleDynamicVersion
-    provided 'com.android.support:support-compat:25+'
+    implementation 'com.android.support:support-compat:27+'
 
     //noinspection GradleDynamicVersion
-    provided 'com.android.support:support-core-utils:25+'
+    implementation 'com.android.support:support-core-utils:27+'
 
     // File cropping utility.
-    compile 'com.github.yalantis:ucrop:2.2.1'
+    api 'com.github.yalantis:ucrop:2.2.2'
 }
 
 apply from: '../build.release-aar.gradle'