diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 9edb12f82..3361426e3 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -175,6 +175,8 @@ dependencies {
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-protobuf:$kotlinSerializationVersion")
 
     // JavaScript engine
+    implementation("app.cash.quickjs:quickjs-android:0.9.2")
+    // TODO: remove Duktape once all extensions are using QuickJS
     implementation("com.squareup.duktape:duktape-android:1.4.0")
 
     // HTML parser
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index b54053eef..5533fe4a9 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -69,17 +69,19 @@
 
 # Keep extension's common dependencies
 -keep,allowoptimization class eu.kanade.tachiyomi.** { public protected *; }
+-keep,allowoptimization class androidx.preference.** { *; }
 -keep,allowoptimization class kotlin.** { public protected *; }
 -keep,allowoptimization class kotlinx.coroutines.** { public protected *; }
 -keep,allowoptimization class okhttp3.** { public protected *; }
+-keep,allowoptimization class okio.** { public protected *; }
 -keep,allowoptimization class rx.** { public protected *; }
 -keep,allowoptimization class org.jsoup.** { public protected *; }
 -keep,allowoptimization class com.google.gson.** { public protected *; }
 -keep,allowoptimization class com.github.salomonbrys.kotson.** { public protected *; }
 -keep,allowoptimization class com.squareup.duktape.** { public protected *; }
--keep,allowoptimization class androidx.preference.** { *; }
--keep,allowoptimization class okio.** { *; }
--keep,allowoptimization class kotlinx.serialization.** { *; }
+-keep,allowoptimization class app.cash.quickjs.** { public protected *; }
+-keep,allowoptimization class uy.kohesive.injekt.** { public protected *; }
+-keep,allowoptimization class kotlinx.serialization.** { public protected *; }
 
 # RxJava 1.1.0
 -dontwarn sun.misc.**