diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f46cc99
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,17 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/tmp
+/captures
+.externalNativeBuild
+app/link
+*.log
+.idea/codeStyles/Project.xml
+.idea/statistic.xml
+app/fabric.properties
+.idea/caches/build_file_checksums.ser
+*.ser
diff --git a/build.gradle b/build.gradle
index e220f0b..8250249 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:3.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,5 +16,6 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
diff --git a/decoviewlib/build.gradle b/decoviewlib/build.gradle
index 1751f8e..0ffc11c 100644
--- a/decoviewlib/build.gradle
+++ b/decoviewlib/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.3"
+    compileSdkVersion 27
+    buildToolsVersion "27.0.3"
 
     defaultConfig {
-        minSdkVersion 8
-        targetSdkVersion 23
+        minSdkVersion 14
+        targetSdkVersion 27
         versionCode 10
         versionName "1.2"
     }
@@ -24,7 +24,7 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.3.0'
-    compile 'com.nineoldandroids:library:2.4.0'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.nineoldandroids:library:2.4.0'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 22d46c5..fd7a759 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
diff --git a/sampleapp/build.gradle b/sampleapp/build.gradle
index aae3ae9..6db208d 100644
--- a/sampleapp/build.gradle
+++ b/sampleapp/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.3"
+    compileSdkVersion 27
+    buildToolsVersion "27.0.3"
     defaultConfig {
         applicationId 'com.hookedonplay.decoviewsample'
-        minSdkVersion 8
-        targetSdkVersion 23
+        minSdkVersion 14
+        targetSdkVersion 27
         versionCode 10
         versionName "1.2"
     }
@@ -25,7 +25,7 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.3.0'
-    compile project(':decoviewlib')
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation project(':decoviewlib')
 }