diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index b7c1a9ce..e029df21 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -144,6 +144,7 @@ dependencies {
     implementation("androidx.activity:activity:1.2.0")
     implementation("androidx.browser:browser:1.3.0")
     implementation("androidx.constraintlayout:constraintlayout:2.0.4")
+    implementation("androidx.core:core:1.3.2")
     implementation("androidx.fragment:fragment:1.3.0")
     implementation("androidx.recyclerview:recyclerview:1.1.0")
     implementation("com.caverock:androidsvg-aar:1.4")
@@ -156,6 +157,15 @@ dependencies {
     implementation("com.takisoft.preferencex:preferencex-colorpicker:1.1.0")
     implementation("com.squareup.okhttp3:okhttp:$okhttpVersion")
     implementation("com.squareup.okhttp3:okhttp-dnsoverhttps:$okhttpVersion")
+    implementation("dev.rikka.rikkax.appcompat:appcompat:1.2.0-rc01")
+    implementation("dev.rikka.rikkax.core:core:1.3.0")
+    implementation("dev.rikka.rikkax.insets:insets:1.0.1")
+    implementation("dev.rikka.rikkax.material:material:1.6.0")
+    implementation("dev.rikka.rikkax.preference:simplemenu-preference:1.0.0")
+    implementation("dev.rikka.rikkax.recyclerview:recyclerview-ktx:1.2.0")
+    implementation("dev.rikka.rikkax.widget:borderview:1.0.1")
+    implementation("dev.rikka.rikkax.widget:switchbar:1.0.2")
+    implementation("dev.rikka.rikkax.layoutinflater:layoutinflater:1.0.1")
     implementation("io.noties.markwon:core:$markwonVersion")
     implementation("io.noties.markwon:ext-strikethrough:$markwonVersion")
     implementation("io.noties.markwon:ext-tables:$markwonVersion")
@@ -163,15 +173,6 @@ dependencies {
     implementation("io.noties.markwon:html:$markwonVersion")
     implementation("io.noties.markwon:image-glide:$markwonVersion")
     implementation("io.noties.markwon:linkify:$markwonVersion")
-    implementation("rikka.appcompat:appcompat:1.2.0-rc01")
-    implementation("rikka.core:core:1.3.0")
-    implementation("rikka.insets:insets:1.0.1")
-    implementation("rikka.material:material:1.6.0")
-    implementation("rikka.recyclerview:recyclerview-utils:1.2.0")
-    implementation("rikka.widget:borderview:1.0.0")
-    implementation("rikka.widget:switchbar:1.0.2")
-    implementation("rikka.layoutinflater:layoutinflater:1.0.1")
-    implementation("tech.rectifier.preferencex-android:preferencex-simplemenu:88f93154b2")
     implementation("me.zhanghai.android.appiconloader:appiconloader-glide:1.2.0")
     implementation("me.zhanghai.android.fastscroll:library:1.1.5")
     implementation(files("libs/WeatherView-2.0.3.aar"))
diff --git a/app/src/main/java/io/github/lsposed/manager/util/NotificationUtil.java b/app/src/main/java/io/github/lsposed/manager/util/NotificationUtil.java
index 442df4b8..bae9ad71 100644
--- a/app/src/main/java/io/github/lsposed/manager/util/NotificationUtil.java
+++ b/app/src/main/java/io/github/lsposed/manager/util/NotificationUtil.java
@@ -20,15 +20,13 @@
 
 package io.github.lsposed.manager.util;
 
+import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 
-import androidx.core.app.NotificationChannelCompat;
 import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-import androidx.core.content.ContextCompat;
 
 import io.github.lsposed.manager.R;
 import io.github.lsposed.manager.ui.activity.AppListActivity;
@@ -41,14 +39,14 @@ public final class NotificationUtil {
     private static final String NOTIFICATION_MODULES_CHANNEL = "modules_channel_2";
 
     public static void showNotification(Context context, String modulePackageName, String moduleName, boolean enabled) {
-        NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
 
-        NotificationChannelCompat.Builder channel = new NotificationChannelCompat.Builder(NOTIFICATION_MODULES_CHANNEL,
-                NotificationManager.IMPORTANCE_HIGH)
-                .setName(context.getString(R.string.Modules))
-                .setSound(null, null)
-                .setVibrationPattern(null);
-        notificationManager.createNotificationChannel(channel.build());
+        NotificationChannel channel = new NotificationChannel(NOTIFICATION_MODULES_CHANNEL,
+                context.getString(R.string.Modules),
+                NotificationManager.IMPORTANCE_HIGH);
+        channel.setSound(null, null);
+        channel.setVibrationPattern(null);
+        notificationManager.createNotificationChannel(channel);
 
         String title = context.getString(enabled ? R.string.xposed_module_updated_notification_title : R.string.module_is_not_activated_yet);
         String content = context.getString(enabled ? R.string.xposed_module_updated_notification_content : R.string.module_is_not_activated_yet_detailed, moduleName);
@@ -68,7 +66,7 @@ public final class NotificationUtil {
                 .setContentText(content)
                 .setAutoCancel(true)
                 .setSmallIcon(R.drawable.ic_notification)
-                .setColor(ContextCompat.getColor(context, R.color.color_primary))
+                .setColor(context.getColor(R.color.color_primary))
                 .setContentIntent(contentIntent)
                 .setStyle(style);
 
diff --git a/app/src/main/res/xml/prefs.xml b/app/src/main/res/xml/prefs.xml
index 9ac75b27..046d953a 100644
--- a/app/src/main/res/xml/prefs.xml
+++ b/app/src/main/res/xml/prefs.xml
@@ -42,7 +42,7 @@
             android:key="theme_color"
             android:title="@string/theme_color"
             app:iconSpaceReserved="false" />
-        <com.takisoft.preferencex.SimpleMenuPreference
+        <rikka.preference.SimpleMenuPreference
             android:defaultValue="MODE_NIGHT_FOLLOW_SYSTEM"
             android:entries="@array/theme_texts"
             android:entryValues="@array/theme_values"
diff --git a/build.gradle.kts b/build.gradle.kts
index 23e7da7e..e64f41c5 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -54,9 +54,8 @@ val zipPathMagiskReleasePath by extra(project(":core").projectDir.path + "/build
 allprojects {
     repositories {
         google()
+        mavenCentral()
         jcenter()
-        maven(url = "https://jitpack.io")
-        maven(url = "https://dl.bintray.com/rikkaw/Libraries")
     }
 }
 
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index fbaf2b05..6b308c9f 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -63,7 +63,7 @@ val verCode: Int by rootProject.extra
 val verName: String by rootProject.extra
 
 dependencies {
-    implementation("rikka.ndk:riru:10")
+    implementation("dev.rikka.ndk:riru:10")
     implementation("com.android.tools.build:apksig:4.1.2")
     implementation(project(":sandhook-hooklib"))
     compileOnly(project(":hiddenapi-stubs"))