diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 2499e612..733595ef 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -86,11 +86,11 @@ android {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.aar"))))
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.1")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2")
 
     implementation("androidx.activity:activity-compose:1.4.0")
-    implementation("androidx.navigation:navigation-compose:2.4.1")
+    implementation("androidx.navigation:navigation-compose:2.4.2")
 
     implementation(JetpackCompose.FOUNDATION)
     implementation(JetpackCompose.UI)
@@ -110,9 +110,10 @@ dependencies {
 
     implementation("io.coil-kt:coil-compose:1.4.0")
 
-    implementation("io.ktor:ktor-client-core:1.6.8")
-    implementation("io.ktor:ktor-client-okhttp:1.6.8")
-    implementation("io.ktor:ktor-client-serialization:1.6.8")
+    implementation("io.ktor:ktor-client-core:2.0.0")
+    implementation("io.ktor:ktor-client-okhttp:2.0.0")
+    implementation("io.ktor:ktor-client-content-negotiation:2.0.0")
+    implementation("io.ktor:ktor-serialization-kotlinx-json:2.0.0")
 
     implementation("androidx.room:room-runtime:2.4.2")
     annotationProcessor("androidx.room:room-compiler:2.4.2")
@@ -137,7 +138,7 @@ dependencies {
 
     implementation("ru.noties.markwon:core:3.1.0")
 
-    implementation("xyz.quaver.pupil.sources:core:0.0.1-alpha01-DEV25")
+    implementation("xyz.quaver.pupil.sources:core:0.0.1-alpha01-DEV26")
 
     implementation("xyz.quaver:documentfilex:0.7.2")
     implementation("xyz.quaver:subsampledimage:0.0.1-alpha19-SNAPSHOT")
diff --git a/app/src/main/java/xyz/quaver/pupil/Pupil.kt b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
index e6a89127..2e4b6715 100644
--- a/app/src/main/java/xyz/quaver/pupil/Pupil.kt
+++ b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
@@ -29,12 +29,7 @@ import com.google.android.gms.common.GooglePlayServicesRepairableException
 import com.google.android.gms.security.ProviderInstaller
 import io.ktor.client.*
 import io.ktor.client.engine.okhttp.*
-import io.ktor.client.features.*
-import io.ktor.client.features.cache.*
-import io.ktor.client.features.json.*
-import io.ktor.client.features.json.serializer.*
-import io.ktor.http.*
-import okhttp3.Protocol
+import io.ktor.client.plugins.contentnegotiation.*
 import org.kodein.di.*
 import org.kodein.di.android.x.androidXModule
 import xyz.quaver.pupil.sources.core.NetworkCache
@@ -53,10 +48,7 @@ class Pupil : Application(), DIAware {
 
         bind { singleton {
             HttpClient(OkHttp) {
-                install(JsonFeature) {
-                    serializer = KotlinxSerializer()
-                    accept(ContentType("text", "plain"))
-                }
+                install(ContentNegotiation)
             }
         } }
     }
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/SourceSelector.kt b/app/src/main/java/xyz/quaver/pupil/ui/SourceSelector.kt
index 6400258a..15b73ae8 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/SourceSelector.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/SourceSelector.kt
@@ -56,6 +56,7 @@ import com.google.accompanist.insets.ui.BottomNavigation
 import com.google.accompanist.insets.ui.Scaffold
 import com.google.accompanist.insets.ui.TopAppBar
 import io.ktor.client.*
+import io.ktor.client.call.*
 import io.ktor.client.request.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
@@ -181,7 +182,7 @@ fun Explore() {
         while (true) {
             delay(1000)
             value = withContext(Dispatchers.IO) {
-                client.get<Map<String, RemoteSourceInfo>>("https://raw.githubusercontent.com/tom5079/PupilSources/master/versions.json")
+                client.get("https://raw.githubusercontent.com/tom5079/PupilSources/master/versions.json").body()
             }
         }
     }
diff --git a/app/src/main/java/xyz/quaver/pupil/util/ApkDownloadManager.kt b/app/src/main/java/xyz/quaver/pupil/util/ApkDownloadManager.kt
index 87f9d794..3ee9a8a3 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/ApkDownloadManager.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/ApkDownloadManager.kt
@@ -20,23 +20,16 @@ package xyz.quaver.pupil.util
 
 import android.content.Context
 import android.content.Intent
-import android.util.Log
 import android.webkit.MimeTypeMap
 import androidx.core.content.FileProvider
 import io.ktor.client.*
-import io.ktor.client.call.*
-import io.ktor.client.features.*
 import io.ktor.client.request.*
 import io.ktor.client.statement.*
 import io.ktor.http.*
-import io.ktor.util.cio.*
-import io.ktor.utils.io.*
 import io.ktor.utils.io.core.*
-import io.ktor.utils.io.jvm.javaio.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOn
-import kotlinx.coroutines.withContext
 import java.io.File
 import kotlin.io.use
 
@@ -49,8 +42,8 @@ class ApkDownloadManager(private val context: Context, private val client: HttpC
             it.delete()
         }
 
-        client.get<HttpStatement>(url).execute { response ->
-            val channel: ByteReadChannel = response.receive()
+        client.prepareGet(url).execute { response ->
+            val channel = response.bodyAsChannel()
             val contentLength = response.contentLength() ?: -1
             var readBytes = 0f