diff --git a/app/build.gradle b/app/build.gradle
index 78f7e1e6b..1935df0b3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,8 +15,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 33
-		versionCode 496
-		versionName '4.0-a7'
+		versionCode 497
+		versionName '4.0-beta1'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -88,7 +88,7 @@ dependencies {
 
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
 
-	implementation 'androidx.core:core-ktx:1.8.0'
+	implementation 'androidx.core:core-ktx:1.9.0'
 	implementation 'androidx.activity:activity-ktx:1.5.1'
 	implementation 'androidx.fragment:fragment-ktx:1.5.2'
 	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
@@ -124,7 +124,7 @@ dependencies {
 
 	implementation 'io.coil-kt:coil-base:2.2.1'
 	implementation 'io.coil-kt:coil-svg:2.2.1'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:cf1fcaa84e'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:2aae2133d1'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 
 	implementation 'ch.acra:acra-http:5.9.6'
diff --git a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt
index 4b8a1d29b..6b528eae7 100644
--- a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt
@@ -3,8 +3,7 @@ package org.koitharu.kotatsu.reader.ui.pager
 import android.net.Uri
 import androidx.core.net.toUri
 import androidx.lifecycle.Observer
-import com.davemorrissey.labs.subscaleview.OnImageEventListener
-import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+import com.davemorrissey.labs.subscaleview.DefaultOnImageEventListener
 import java.io.File
 import java.io.IOException
 import kotlinx.coroutines.*
@@ -22,7 +21,7 @@ class PageHolderDelegate(
 	private val readerSettings: ReaderSettings,
 	private val callback: Callback,
 	private val exceptionResolver: ExceptionResolver,
-) : OnImageEventListener, Observer<ReaderSettings> {
+) : DefaultOnImageEventListener, Observer<ReaderSettings> {
 
 	private val scope = loader.loaderScope + Dispatchers.Main.immediate
 	private var state = State.EMPTY
diff --git a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt
index aba8e32bd..713bfe306 100644
--- a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt
@@ -7,9 +7,6 @@ import android.view.View
 import androidx.core.view.isVisible
 import com.davemorrissey.labs.subscaleview.ImageSource
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-import com.davemorrissey.labs.subscaleview.decoder.SkiaPooledImageRegionDecoder
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.asExecutor
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.model.ZoomMode
@@ -30,7 +27,7 @@ open class PageHolder(
 
 	init {
 		binding.ssiv.isEagerLoadingEnabled = !isLowRamDevice(context)
-		binding.ssiv.setOnImageEventListener(delegate)
+		binding.ssiv.addOnImageEventListener(delegate)
 		@Suppress("LeakingThis")
 		bindingInfo.buttonRetry.setOnClickListener(this)
 		binding.textViewNumber.isVisible = settings.isPagesNumbersEnabled
diff --git a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt
index bbdbb1869..da78b6615 100644
--- a/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt
@@ -28,7 +28,7 @@ class WebtoonHolder(
 
 	init {
 		binding.ssiv.regionDecoderFactory = SkiaPooledImageRegionDecoder.Factory()
-		binding.ssiv.setOnImageEventListener(delegate)
+		binding.ssiv.addOnImageEventListener(delegate)
 		bindingInfo.buttonRetry.setOnClickListener(this)
 		GoneOnInvisibleListener(bindingInfo.progressBar).attach()
 	}