diff --git a/src/android/AndroidManifest_template.xml b/src/android/AndroidManifest_template.xml
index 29aba9a..8ad3594 100644
--- a/src/android/AndroidManifest_template.xml
+++ b/src/android/AndroidManifest_template.xml
@@ -33,7 +33,7 @@
           package="@ANDROID_APPLICATION_ID@"
           android:versionCode="@ANDROID_VERSION_CODE@"
           android:versionName="@MAJOR@.@MINOR@.@BUILD@.@REVISION@-@ANDROID_ARCH@">
-  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
+  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="22" />
 
   <!-- Google Japanese Input (the main code) requires the following permissions. -->
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
diff --git a/src/android/resources/AndroidManifest.xml b/src/android/resources/AndroidManifest.xml
index cb53067..4e144e8 100644
--- a/src/android/resources/AndroidManifest.xml
+++ b/src/android/resources/AndroidManifest.xml
@@ -32,5 +32,5 @@
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.mozc.android.inputmethod.japanese.resources">
-  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
+  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="22" />
 </manifest>
diff --git a/src/android/tests/AndroidManifest_template.xml b/src/android/tests/AndroidManifest_template.xml
index 827452f..6eb4c25 100644
--- a/src/android/tests/AndroidManifest_template.xml
+++ b/src/android/tests/AndroidManifest_template.xml
@@ -57,7 +57,7 @@
                    android:targetPackage="@ANDROID_APPLICATION_ID@"
                    android:label="Tests for org.mozc.android.inputmethod.japanese"/>
 
-  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
+  <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="22" />
   <!-- Google Japanese Input (the main code) requires the following permissions. -->
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.INTERNET" />
diff --git a/src/docker/ubuntu14.04/Dockerfile b/src/docker/ubuntu14.04/Dockerfile
index c10dc5c..d6d7670 100644
--- a/src/docker/ubuntu14.04/Dockerfile
+++ b/src/docker/ubuntu14.04/Dockerfile
@@ -55,12 +55,12 @@
 
 ## Android SDK/NDK
 RUN curl -L http://dl.google.com/android/ndk/android-ndk-r10d-linux-x86_64.bin -O && chmod u+x android-ndk-r10d-linux-x86_64.bin && ./android-ndk-r10d-linux-x86_64.bin && rm android-ndk-r10d-linux-x86_64.bin
-RUN curl -L http://dl.google.com/android/android-sdk_r24.0.2-linux.tgz | tar -zx
+RUN curl -L http://dl.google.com/android/android-sdk_r24.1.2-linux.tgz | tar -zx
 ENV ANDROID_NDK_HOME /home/mozc_builder/work/android-ndk-r10d
 ENV ANDROID_HOME /home/mozc_builder/work/android-sdk-linux
 ENV PATH $PATH:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools:${ANDROID_NDK_HOME}
-RUN echo y | android update sdk --all --force --no-ui --filter android-21
-RUN echo y | android update sdk --all --force --no-ui --filter build-tools-21.0.2
+RUN echo y | android update sdk --all --force --no-ui --filter android-22
+RUN echo y | android update sdk --all --force --no-ui --filter build-tools-22.0.0
 RUN echo y | android update sdk --all --force --no-ui --filter extra-android-support
 RUN echo y | android update sdk --all --force --no-ui --filter platform-tool
 
diff --git a/src/mozc_version_template.txt b/src/mozc_version_template.txt
index d13d361..2fbc281 100644
--- a/src/mozc_version_template.txt
+++ b/src/mozc_version_template.txt
@@ -1,6 +1,6 @@
 MAJOR=2
 MINOR=16
-BUILD=2071
+BUILD=2072
 REVISION=102
 # NACL_DICTIONARY_VERSION is the target version of the system dictionary to be
 # downloaded by NaCl Mozc.