diff --git a/android_project_common.gradle b/android_project_common.gradle
index 3d0c579..960a197 100644
--- a/android_project_common.gradle
+++ b/android_project_common.gradle
@@ -96,7 +96,7 @@ ext {
             'rxandroid'        : "2.1.1",
 
             // ycdev
-            'androidLib'       : "1.8.3",
+            'androidLib'       : "1.8.4",
 
             // others
             'zxing'            : '3.4.0',
diff --git a/build.gradle b/build.gradle
index 905bef6..5a28a99 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,7 +42,7 @@ ext {
             'projectScmDevConnection': 'ssh://git@github.com/yongce/AndroidLib.git',
             'projectInceptionYear': '2013',
             'groupId': 'me.ycdev.android',
-            'version': '1.8.3',
+            'version': '1.8.4',
             'developerId': 'yongce',
             'developerName': 'Yongce Tu',
             'developerEmail': 'yongce.tu@gmail.com',