diff --git a/.travis.yml b/.travis.yml
index a7560a7bb..40336a55d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,22 +22,15 @@ before_install:
   - export PATH=$GRADLE_HOME/bin:$PATH
   # just to test gradle version, against our provided one
   - gradle -v
-  # newest android SDK 22.0.5
-  - wget http://dl.google.com/android/android-sdk_r22.0.5-linux.tgz
-  - tar -zxf android-sdk_r22.0.5-linux.tgz
+  # newest android SDK 22.3
+  - wget http://dl.google.com/android/android-sdk_r22.3-linux.tgz
+  - tar -zxf android-sdk_r22.3-linux.tgz
   - export ANDROID_HOME=`pwd`/android-sdk-linux
   - export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
   # manually set sdk.dir variable, according to local paths
   - echo "sdk.dir=$ANDROID_HOME" > local.properties
-  - echo yes | android update sdk -t tools,platform-tools,extra-android-support,extra-android-m2repository,android-18 --force --no-ui
-  # build tools cannot be installed through "android update sdk" as of now
-  - wget http://dl.google.com/android/repository/build-tools_r18.0.1-linux.zip
-  - mkdir -p $ANDROID_HOME/build-tools
-  - unzip -qq build-tools_r18.0.1-linux.zip -d $ANDROID_HOME/build-tools/
-  - mv $ANDROID_HOME/build-tools/android-4.3 $ANDROID_HOME/build-tools/18.0.1
-  # verify files exist in right paths
-  - find $ANDROID_HOME/build-tools
-  - file $ANDROID_HOME/build-tools/18.0.1/aapt
+  - echo yes | android update sdk -t tools,platform-tools,extra-android-support,extra-android-m2repository,android-19,build-tools-19.0.0 --force --no-ui
+  # Sonatype bypass
   - echo "nexusUsername=dummy" >> library/gradle.properties
   - echo "nexusPassword=dummy" >> library/gradle.properties
 
diff --git a/README.md b/README.md
index 2dd17dd7c..670b0313e 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ https://oss.sonatype.org/content/repositories/snapshots/com/loopj/android/androi
 Maven URL: https://oss.sonatype.org/content/repositories/snapshots/
 GroupId: com.loopj.android
 ArtifactId: async-http-client
-Version: 1.4.4-SNAPSHOT
+Version: 1.4.5-SNAPSHOT
 Packaging: JAR or AAR
 ```
 
diff --git a/build.gradle b/build.gradle
index 9fe1e6adc..868085567 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ def isReleaseBuild() {
 
 allprojects {
     group = 'com.loopj.android'
-    version = '1.4.4'
+    version = '1.4.5-SNAPSHOT'
 
     repositories {
         mavenCentral()
diff --git a/gradle.properties b/gradle.properties
index 2c0fb8c88..faf4d9555 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
-VERSION_NAME=1.4.4
-VERSION_CODE=144
+VERSION_NAME=1.4.5-SNAPSHOT
+VERSION_CODE=145
 GROUP=com.loopj.android
 
 POM_DESCRIPTION=An Asynchronous HTTP Library for Android
diff --git a/library/build.gradle b/library/build.gradle
index 3c0599675..7cd3e2af7 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'android-library'
 
 android {
-    compileSdkVersion 18
-    buildToolsVersion '18.0.1'
+    compileSdkVersion 19
+    buildToolsVersion '19.0.0'
 }
 
 android.libraryVariants.all { variant ->
diff --git a/library/src/main/AndroidManifest.xml b/library/src/main/AndroidManifest.xml
index 0705929fd..13d6f26ed 100644
--- a/library/src/main/AndroidManifest.xml
+++ b/library/src/main/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.loopj.android.http"
-    android:versionName="1.4.4"
-    android:versionCode="144">
+    android:versionName="1.4.5-SNAPSHOT"
+    android:versionCode="145">
 
     <uses-sdk
         android:minSdkVersion="3" />
diff --git a/library/src/main/java/com/loopj/android/http/AsyncHttpClient.java b/library/src/main/java/com/loopj/android/http/AsyncHttpClient.java
index 92116f4bf..c11445898 100644
--- a/library/src/main/java/com/loopj/android/http/AsyncHttpClient.java
+++ b/library/src/main/java/com/loopj/android/http/AsyncHttpClient.java
@@ -91,7 +91,7 @@
  * </pre>
  */
 public class AsyncHttpClient {
-    private static final String VERSION = "1.4.4";
+    private static final String VERSION = "1.4.5";
 
     private static final int DEFAULT_MAX_CONNECTIONS = 10;
     private static final int DEFAULT_SOCKET_TIMEOUT = 10 * 1000;
diff --git a/sample/build.gradle b/sample/build.gradle
index d388761dc..0792285ef 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -16,12 +16,12 @@ repositories {
 }
 
 android {
-    compileSdkVersion 18
-    buildToolsVersion "18.0.1"
+    compileSdkVersion 19
+    buildToolsVersion '19.0.0'
 
     defaultConfig {
         minSdkVersion 3
-        targetSdkVersion 18
+        targetSdkVersion 19
     }
 }
 
diff --git a/sample/src/main/java/com/loopj/android/http/sample/PostSample.java b/sample/src/main/java/com/loopj/android/http/sample/PostSample.java
index 202fd480c..8ecad2b08 100644
--- a/sample/src/main/java/com/loopj/android/http/sample/PostSample.java
+++ b/sample/src/main/java/com/loopj/android/http/sample/PostSample.java
@@ -5,12 +5,14 @@
 
 import org.apache.http.Header;
 import org.apache.http.HttpEntity;
+import org.apache.http.message.BasicHeader;
 
 public class PostSample extends SampleParentActivity {
     private static final String LOG_TAG = "PostSample";
 
     @Override
     protected void executeSample(AsyncHttpClient client, String URL, Header[] headers, HttpEntity entity, AsyncHttpResponseHandler responseHandler) {
+        headers = new Header[]{ new BasicHeader("Content-Type", "ee") };
         client.post(this, URL, headers, entity, null, responseHandler);
     }