diff --git a/MoreTeapots/build.gradle b/MoreTeapots/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/MoreTeapots/build.gradle
+++ b/MoreTeapots/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/Teapot/build.gradle b/Teapot/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/Teapot/build.gradle
+++ b/Teapot/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/bitmap-plasma/build.gradle b/bitmap-plasma/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/bitmap-plasma/build.gradle
+++ b/bitmap-plasma/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/endless-tunnel/build.gradle b/endless-tunnel/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/endless-tunnel/build.gradle
+++ b/endless-tunnel/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/gles3jni/build.gradle b/gles3jni/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/gles3jni/build.gradle
+++ b/gles3jni/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/hello-gl2/build.gradle b/hello-gl2/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/hello-gl2/build.gradle
+++ b/hello-gl2/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/hello-jni/build.gradle b/hello-jni/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/hello-jni/build.gradle
+++ b/hello-jni/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/native-activity/build.gradle b/native-activity/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/native-activity/build.gradle
+++ b/native-activity/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/native-audio/build.gradle b/native-audio/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/native-audio/build.gradle
+++ b/native-audio/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/native-codec/build.gradle b/native-codec/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/native-codec/build.gradle
+++ b/native-codec/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/native-media/build.gradle b/native-media/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/native-media/build.gradle
+++ b/native-media/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/native-plasma/build.gradle b/native-plasma/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/native-plasma/build.gradle
+++ b/native-plasma/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'
diff --git a/san-angeles/build.gradle b/san-angeles/build.gradle
index 9c560fa93..1c69174a7 100644
--- a/san-angeles/build.gradle
+++ b/san-angeles/build.gradle
@@ -4,6 +4,7 @@ buildscript {
        maven {
        	 url  "http://dl.bintray.com/android/android-tools"
        }
+       jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle-experimental:0.1.0'