diff --git a/build.gradle b/build.gradle
index 88e39d0..466faa3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,12 +2,15 @@ buildscript {
     repositories {
         mavenCentral()
     }
-
     dependencies {
-        classpath "com.android.tools.build:gradle:0.7.+"
+        classpath 'com.android.tools.build:gradle:1.0.0-rc4'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
     }
 }
 
+
 allprojects {
     version = VERSION_NAME
     group = GROUP
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9b8ffdd..a1766a8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Sun Dec 07 12:05:56 HKT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
diff --git a/library/build.gradle b/library/build.gradle
index b8b9d9e..28d58cb 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'android-library'
 
 android {
-    buildToolsVersion '19.0.0'
-    compileSdkVersion 19
+    buildToolsVersion '21.1.1'
+    compileSdkVersion 21
 
     defaultConfig {
         minSdkVersion 7
@@ -11,7 +11,7 @@ android {
 
 android.libraryVariants.all { variant ->
     def name = variant.buildType.name
-    if (name.equals(com.android.builder.BuilderConstants.DEBUG)) {
+    if (name.equals('com.android.builder.BuilderConstants.DEBUG')) {
         return; // Skip debug builds.
     }
     def task = project.tasks.create "jar${name.capitalize()}", Jar
diff --git a/library/src/main/java/com/readystatesoftware/sqliteasset/Utils.java b/library/src/main/java/com/readystatesoftware/sqliteasset/Utils.java
index 67cecaf..fb63656 100644
--- a/library/src/main/java/com/readystatesoftware/sqliteasset/Utils.java
+++ b/library/src/main/java/com/readystatesoftware/sqliteasset/Utils.java
@@ -40,7 +40,7 @@ public static List<String> splitSqlScript(String script, char delim) {
     }
 
     public static void writeExtractedFileToDisk(InputStream in, OutputStream outs) throws IOException {
-        byte[] buffer = new byte[1024];
+        byte[] buffer = new byte[4096];
         int length;
         while ((length = in.read(buffer))>0){
             outs.write(buffer, 0, length);
diff --git a/samples/database-v1/build.gradle b/samples/database-v1/build.gradle
index 708c923..b91c65d 100644
--- a/samples/database-v1/build.gradle
+++ b/samples/database-v1/build.gradle
@@ -5,13 +5,13 @@ dependencies {
 }
 
 android {
-    buildToolsVersion '19.0.0'
-    compileSdkVersion 19
+    compileSdkVersion 21
+    buildToolsVersion "21.1.1"
 
     defaultConfig {
         minSdkVersion 8
-        packageName 'com.example.sqliteassethelper'
-        targetSdkVersion 19
+        applicationId 'com.example.sqliteassethelper'
+        targetSdkVersion 21
         versionCode 1
         versionName '1.0'
     }
diff --git a/samples/database-v13-upgrade/build.gradle b/samples/database-v13-upgrade/build.gradle
index 131d755..a17eefb 100644
--- a/samples/database-v13-upgrade/build.gradle
+++ b/samples/database-v13-upgrade/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.7.+'
+        classpath 'com.android.tools.build:gradle:1.0.0-rc4+'
     }
 }
 apply plugin: 'android'
@@ -13,18 +13,18 @@ repositories {
 }
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "19.0.0"
+    compileSdkVersion 21
+    buildToolsVersion "21.1.1"
 
     defaultConfig {
         minSdkVersion 8
-        targetSdkVersion 19
+        targetSdkVersion 21
         versionCode 3
         versionName "3.0"
     }
     buildTypes {
         release {
-            runProguard false
+            minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
     }
diff --git a/samples/database-v2-upgrade/build.gradle b/samples/database-v2-upgrade/build.gradle
index 2be5d87..910c335 100644
--- a/samples/database-v2-upgrade/build.gradle
+++ b/samples/database-v2-upgrade/build.gradle
@@ -5,13 +5,13 @@ dependencies {
 }
 
 android {
-    buildToolsVersion '19.0.0'
-    compileSdkVersion 19
+    buildToolsVersion '21.1.1'
+    compileSdkVersion 21
 
     defaultConfig {
         minSdkVersion 8
-        packageName 'com.example.sqliteassethelper'
-        targetSdkVersion 19
+        applicationId 'com.example.sqliteassethelper'
+        targetSdkVersion 21
         versionCode 2
         versionName '2.0'
     }