diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73c3997..6a36649 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,4 +21,7 @@
 * Update README
 
 ## 1.2.2
-* Remove dependency on http plugin
\ No newline at end of file
+* Remove dependency on http plugin
+
+## 1.2.3
+* Add Android namespace
diff --git a/android/build.gradle b/android/build.gradle
index a88fa8d..47a82c8 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -22,6 +22,10 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
+
+    if (project.android.hasProperty("namespace")) {
+        namespace 'com.lm.http_proxy'
+    }
     compileSdkVersion 28
 
     defaultConfig {
diff --git a/pubspec.yaml b/pubspec.yaml
index 96100d8..c3c7724 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: http_proxy
 description: http proxy plugin,get and set http proxy automatically.This package help you to use proxy tools.
-version: 1.2.2
+version: 1.2.3
 homepage: https://github.com/wslaimin
 repository: https://github.com/wslaimin/http_proxy