diff --git a/.projectset b/.projectset
index 2bc26a0..95374b0 100644
--- a/.projectset
+++ b/.projectset
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <psf version="2.0">
 <provider id="org.eclipse.team.svn.core.svnnature">
-<project reference="1.0.1,https://github.com/dandar3/android-support-annotations/tags/26.1.0,android-support-annotations,50bf70d4a36f00161579af26.1.0324d;https://github.com/dandar3/android-support-annotations;https://github.com/dandar3/android-support-annotations;branches;tags;trunk;true;aa34aa4b-e5c0-a7b4-83f5-ce57b7db7bff;https://github.com/dandar3/android-support-annotations;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-compat/tags/26.1.0,android-support-compat,203ab28b047100161f0ea67724168ae1;https://github.com/dandar3/android-support-compat;https://github.com/dandar3/android-support-compat;branches;tags;trunk;true;8436cbfe-530e-3618-2949-ce57b7db7bff;https://github.com/dandar3/android-support-compat;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-core-ui/tags/26.1.0,android-support-core-ui,f0010f69377100161eab82d01a6f9815;https://github.com/dandar3/android-support-core-ui;https://github.com/dandar3/android-support-core-ui;branches;tags;trunk;true;30c07902-5fb6-8f4a-ef97-ce57b7db7bff;https://github.com/dandar3/android-support-core-ui;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-core-utils/tags/26.1.0,android-support-core-utils,605d0f75377100161eab82d01a6f9815;https://github.com/dandar3/android-support-core-utils;https://github.com/dandar3/android-support-core-utils;branches;tags;trunk;true;96bd2d18-6c73-4f86-d15d-ce57b7db7bff;https://github.com/dandar3/android-support-core-utils;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-fragment/tags/26.1.0,android-support-fragment,1092d731377100161eab82d01a6f9815;https://github.com/dandar3/android-support-fragment;https://github.com/dandar3/android-support-fragment;branches;tags;trunk;true;0bf4054a-107d-a213-cf97-ce57b7db7bff;https://github.com/dandar3/android-support-fragment;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-media-compat/tags/26.1.0,android-support-media-compat,8030f686377100161eab82d01a6f9815;https://github.com/dandar3/android-support-media-compat;https://github.com/dandar3/android-support-media-compat;branches;tags;trunk;true;9784db24-6f8d-b2ba-fbf7-ce57b7db7bff;https://github.com/dandar3/android-support-media-compat;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-support-v4/tags/26.1.0,android-support-v4,b02ca01b3b7100161eab82d01a6f9815;https://github.com/dandar3/android-support-v4;https://github.com/dandar3/android-support-v4;branches;tags;trunk;true;05735a7a-8691-fd6c-0a7f-ce57b7db7bff;https://github.com/dandar3/android-support-v4;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-common/tags/11.4.0,google-firebase-common,f09735475c8900161905f5f7ce82d487;https://github.com/dandar3/android-google-firebase-common;https://github.com/dandar3/android-google-firebase-common;branches;tags;trunk;true;b51a23f6-b333-a4ee-77d1-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-common;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-database/tags/11.4.0,google-firebase-database,f084a51a45740017124dae858eb9b706;https://github.com/dandar3/android-google-firebase-database;https://github.com/dandar3/android-google-firebase-database;branches;tags;trunk;true;65c6704d-11a5-d2cc-66f1-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-database;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-database-connection/tags/11.4.0,google-firebase-database-connection,204ff94e407400171af6ecf3c9022de3;https://github.com/dandar3/android-google-firebase-database-connection;https://github.com/dandar3/android-google-firebase-database-connection;branches;tags;trunk;true;343522cf-3728-c3e5-7de9-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-database-connection;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-google-play-services-basement/tags/11.4.0,google-play-services-basement,30055f5a22840016104bfc32c433cb2a;https://github.com/dandar3/android-google-play-services-basement;https://github.com/dandar3/android-google-play-services-basement;branches;tags;trunk;true;89256004-c1fd-9cb4-beac-ce57b7db7bff;https://github.com/dandar3/android-google-play-services-basement;;false;;;0"/>
-<project reference="1.0.1,https://github.com/dandar3/android-google-play-services-tasks/tags/11.4.0,google-play-services-tasks,b089fef424840016185bd3743a1b7ecf;https://github.com/dandar3/android-google-play-services-tasks;https://github.com/dandar3/android-google-play-services-tasks;branches;tags;trunk;true;7cac8f28-cad4-c72f-6e9e-ce57b7db7bff;https://github.com/dandar3/android-google-play-services-tasks;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-annotations/tags/27.0.2,android-support-annotations,50bf70d4a36f00161579af27.0.2324d;https://github.com/dandar3/android-support-annotations;https://github.com/dandar3/android-support-annotations;branches;tags;trunk;true;aa34aa4b-e5c0-a7b4-83f5-ce57b7db7bff;https://github.com/dandar3/android-support-annotations;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-compat/tags/27.0.2,android-support-compat,203ab28b047100161f0ea67724168ae1;https://github.com/dandar3/android-support-compat;https://github.com/dandar3/android-support-compat;branches;tags;trunk;true;8436cbfe-530e-3618-2949-ce57b7db7bff;https://github.com/dandar3/android-support-compat;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-core-ui/tags/27.0.2,android-support-core-ui,f0010f69377100161eab82d01a6f9815;https://github.com/dandar3/android-support-core-ui;https://github.com/dandar3/android-support-core-ui;branches;tags;trunk;true;30c07902-5fb6-8f4a-ef97-ce57b7db7bff;https://github.com/dandar3/android-support-core-ui;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-core-utils/tags/27.0.2,android-support-core-utils,605d0f75377100161eab82d01a6f9815;https://github.com/dandar3/android-support-core-utils;https://github.com/dandar3/android-support-core-utils;branches;tags;trunk;true;96bd2d18-6c73-4f86-d15d-ce57b7db7bff;https://github.com/dandar3/android-support-core-utils;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-fragment/tags/27.0.2,android-support-fragment,1092d731377100161eab82d01a6f9815;https://github.com/dandar3/android-support-fragment;https://github.com/dandar3/android-support-fragment;branches;tags;trunk;true;0bf4054a-107d-a213-cf97-ce57b7db7bff;https://github.com/dandar3/android-support-fragment;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-media-compat/tags/27.0.2,android-support-media-compat,8030f686377100161eab82d01a6f9815;https://github.com/dandar3/android-support-media-compat;https://github.com/dandar3/android-support-media-compat;branches;tags;trunk;true;9784db24-6f8d-b2ba-fbf7-ce57b7db7bff;https://github.com/dandar3/android-support-media-compat;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-support-v4/tags/27.0.2,android-support-v4,b02ca01b3b7100161eab82d01a6f9815;https://github.com/dandar3/android-support-v4;https://github.com/dandar3/android-support-v4;branches;tags;trunk;true;05735a7a-8691-fd6c-0a7f-ce57b7db7bff;https://github.com/dandar3/android-support-v4;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-common/tags/11.6.2,google-firebase-common,f09735475c8900161905f5f7ce82d487;https://github.com/dandar3/android-google-firebase-common;https://github.com/dandar3/android-google-firebase-common;branches;tags;trunk;true;b51a23f6-b333-a4ee-77d1-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-common;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-database/tags/11.6.2,google-firebase-database,f084a51a45740017124dae858eb9b706;https://github.com/dandar3/android-google-firebase-database;https://github.com/dandar3/android-google-firebase-database;branches;tags;trunk;true;65c6704d-11a5-d2cc-66f1-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-database;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-google-firebase-database-connection/tags/11.6.2,google-firebase-database-connection,204ff94e407400171af6ecf3c9022de3;https://github.com/dandar3/android-google-firebase-database-connection;https://github.com/dandar3/android-google-firebase-database-connection;branches;tags;trunk;true;343522cf-3728-c3e5-7de9-ce57b7db7bff;https://github.com/dandar3/android-google-firebase-database-connection;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-google-play-services-basement/tags/11.6.2,google-play-services-basement,30055f5a22840016104bfc32c433cb2a;https://github.com/dandar3/android-google-play-services-basement;https://github.com/dandar3/android-google-play-services-basement;branches;tags;trunk;true;89256004-c1fd-9cb4-beac-ce57b7db7bff;https://github.com/dandar3/android-google-play-services-basement;;false;;;0"/>
+<project reference="1.0.1,https://github.com/dandar3/android-google-play-services-tasks/tags/11.6.2,google-play-services-tasks,b089fef424840016185bd3743a1b7ecf;https://github.com/dandar3/android-google-play-services-tasks;https://github.com/dandar3/android-google-play-services-tasks;branches;tags;trunk;true;7cac8f28-cad4-c72f-6e9e-ce57b7db7bff;https://github.com/dandar3/android-google-play-services-tasks;;false;;;0"/>
 </provider>
 </psf>
\ No newline at end of file
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 2e0c32f..2460b7a 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" package="com.google.firebase.database"
-    android:versionCode="1140"
-    android:versionName="11.4.0">
+    android:versionCode="1162"
+    android:versionName="11.6.2">
     <uses-sdk android:minSdkVersion="14"/>
 </manifest>
diff --git a/README.md b/README.md
index 7b97d6b..72e2189 100644
--- a/README.md
+++ b/README.md
@@ -1,22 +1,22 @@
 # android-google-firebase-database 
 
 Eclipse library project based on:<br/>
-https://maven.google.com/com/google/firebase/firebase-database/11.4.0/firebase-database-11.4.0.aar
+https://maven.google.com/com/google/firebase/firebase-database/11.6.2/firebase-database-11.6.2.aar
 
 **Requires:**
-- `Android 8.0 (API 26) SDK Platform`
-- [dandar3/android-google-firebase-common](https://github.com/dandar3/android-google-firebase-common/tree/11.4.0)
-- [dandar3/android-google-firebase-database-connection](https://github.com/dandar3/android-google-firebase-database-connection/tree/11.4.0)
-- [dandar3/android-google-play-services-basement](https://github.com/dandar3/android-google-play-services-basement/tree/11.4.0)
-- [dandar3/android-google-play-services-tasks](https://github.com/dandar3/android-google-play-services-tasks/tree/11.4.0)
+- `Android 8.1 (API 27) SDK Platform`
+- [dandar3/android-google-firebase-common](https://github.com/dandar3/android-google-firebase-common/tree/11.6.2)
+- [dandar3/android-google-firebase-database-connection](https://github.com/dandar3/android-google-firebase-database-connection/tree/11.6.2)
+- [dandar3/android-google-play-services-basement](https://github.com/dandar3/android-google-play-services-basement/tree/11.6.2)
+- [dandar3/android-google-play-services-tasks](https://github.com/dandar3/android-google-play-services-tasks/tree/11.6.2)
 
 **References:**
 - https://firebase.google.com/docs/database/
-- https://firebase.google.com/support/release-notes/android#20170918%22
-- https://developers.google.com/android/guides/releases#september_2017_-_version_1140
+- https://firebase.google.com/support/release-notes/android#20171127
+- https://developers.google.com/android/guides/releases#november_27_2017_-_version_1162
 
 **SVN checkout:**
 - _File > Import... > Team > Team Project Set > URL:_<br/>
-  https://raw.githubusercontent.com/dandar3/android-google-firebase-database/11.4.0/.projectset
+  https://raw.githubusercontent.com/dandar3/android-google-firebase-database/11.6.2/.projectset
 - _File > Import... > SVN > Project from SVN > Create a new repository location > URL:_<br/> 
-  https://github.com/dandar3/android-google-firebase-database/tags/11.4.0
\ No newline at end of file
+  https://github.com/dandar3/android-google-firebase-database/tags/11.6.2
\ No newline at end of file
diff --git a/libs/google-firebase-database.jar b/libs/google-firebase-database.jar
index 0c9f36f..d7ff0f0 100644
Binary files a/libs/google-firebase-database.jar and b/libs/google-firebase-database.jar differ
diff --git a/project.properties b/project.properties
index 9c89f08..ec33257 100644
--- a/project.properties
+++ b/project.properties
@@ -11,7 +11,7 @@
 #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
 
 # Project target.
-target=android-26
+target=android-27
 android.library=true
 android.library.reference.1=../google-firebase-common
 android.library.reference.2=../google-firebase-database-connection