diff --git a/android-sdk/build.gradle b/android-sdk/build.gradle
index 452426e..734fd7d 100644
--- a/android-sdk/build.gradle
+++ b/android-sdk/build.gradle
@@ -77,14 +77,14 @@ android {
         minSdkVersion = 26
         targetSdkVersion = 36
         versionCode = 7
-        versionName = '1.5.0'
+        versionName = '1.5.1'
         signingConfig = signingConfigs.irext_key
     }
     buildTypes {
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            versionNameSuffix '1.5.0'
+            versionNameSuffix '1.5.1'
         }
         debug {
             debuggable true
@@ -97,8 +97,6 @@ android {
 
     publishing {
         singleVariant('release') {
-            withSourcesJar()
-            withJavadocJar()
         }
     }
 }
@@ -113,6 +111,9 @@ afterEvaluate {
 
                 from components.release
 
+                artifact androidSourcesJar
+                artifact androidJavadocsJar
+
                 pom {
                     name = 'irext-remote-index-android'
                     description = 'Android Indexing API for IRext remote controller'
diff --git a/android-sdk/proguard-rules.pro b/android-sdk/proguard-rules.pro
index e4fe55e..8371904 100644
--- a/android-sdk/proguard-rules.pro
+++ b/android-sdk/proguard-rules.pro
@@ -23,3 +23,12 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-keep public class net.irext.webapi.** {
+    public protected *;
+}
+
+# If your library uses reflection (e.g., for JSON deserialization with Gson),
+# you might need to add specific rules for those models:
+-keep class * implements java.io.Serializable {
+    public <fields>;
+}
\ No newline at end of file