diff --git a/manager/build.gradle.kts b/manager/build.gradle.kts
index 586087d..8cecf82 100644
--- a/manager/build.gradle.kts
+++ b/manager/build.gradle.kts
@@ -1,3 +1,5 @@
+import com.android.build.gradle.BaseExtension
+
 val androidCompileSdkVersion: Int by rootProject.extra
 val androidMinSdkVersion: Int by rootProject.extra
 val androidTargetSdkVersion: Int by rootProject.extra
@@ -32,6 +34,7 @@ android {
         release {
             isMinifyEnabled = true
             proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            signingConfig = projects.app.dependencyProject.extensions.getByName<BaseExtension>("android").buildTypes["release"].signingConfig
         }
     }
 
diff --git a/manager/proguard-rules.pro b/manager/proguard-rules.pro
index 481bb43..5d42643 100644
--- a/manager/proguard-rules.pro
+++ b/manager/proguard-rules.pro
@@ -1,21 +1,5 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+-keep class com.beust.jcommander.** { *; }
+-keep class org.lsposed.lspatch.Patcher$Options { *; }
+-keepclassmembers class org.lsposed.patch.LSPatch {
+    private <fields>;
+}