diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a37ba50..2a97848 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 import java.io.FileInputStream
 import java.util.*
 
@@ -96,23 +97,24 @@ dependencies {
     // androidX
     implementation("androidx.core:core-ktx:1.9.0")
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
-    implementation("androidx.appcompat:appcompat:1.5.1")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1")
-    implementation("androidx.lifecycle:lifecycle-service:2.5.1")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.0")
+    implementation("androidx.lifecycle:lifecycle-service:2.6.0")
     implementation("androidx.legacy:legacy-support-v4:1.0.0")
     implementation("androidx.preference:preference-ktx:1.2.0")
 
     // material design
-    implementation("com.google.android.material:material:1.6.1")
+    implementation("com.google.android.material:material:1.8.0")
 
     // Room
-    implementation("androidx.room:room-runtime:2.4.3")
-    kapt("androidx.room:room-compiler:2.4.3")
+    implementation("androidx.room:room-runtime:2.5.0")
+    kapt("androidx.room:room-compiler:2.5.0")
 
     // youtube-dl
-    implementation("com.github.yausername.youtubedl-android:library:0.14.0")
-    implementation("com.github.yausername.youtubedl-android:ffmpeg:0.14.0")
-    implementation("com.github.yausername.youtubedl-android:aria2c:0.14.0")
+    //TODO: currently uses the latest version available. This makes the build unstable!
+    implementation("com.github.yausername.youtubedl-android:library:master-SNAPSHOT")
+    implementation("com.github.yausername.youtubedl-android:ffmpeg:master-SNAPSHOT")
+    implementation("com.github.yausername.youtubedl-android:aria2c:master-SNAPSHOT")
 
     // id3v2 tagging
     implementation("com.mpatric:mp3agic:0.9.1")
@@ -132,15 +134,14 @@ dependencies {
     implementation("com.mikepenz:aboutlibraries:8.9.4")
 
     // desugaring
-    //TODO 2.0.0 is only available with AGP > 7.4.0
-    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:1.2.0")
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.2")
 
     // unit testing
-    testImplementation("androidx.test.ext:junit:1.1.3")
+    testImplementation("androidx.test.ext:junit:1.1.5")
     testImplementation("org.robolectric:robolectric:4.8.2")
     testImplementation("io.kotest:kotest-assertions-core:5.4.2")
-    androidTestImplementation("androidx.test:runner:1.4.0")
-    androidTestImplementation("androidx.test:rules:1.4.0")
+    androidTestImplementation("androidx.test:runner:1.5.2")
+    androidTestImplementation("androidx.test:rules:1.5.0")
     androidTestImplementation("io.kotest:kotest-assertions-core:5.4.2")
 
     // leakcanary (only on debug builds)
diff --git a/app/src/main/kotlin/io/github/shadow578/yodel/downloader/TempFiles.kt b/app/src/main/kotlin/io/github/shadow578/yodel/downloader/TempFiles.kt
index 5d68bfc..d457898 100644
--- a/app/src/main/kotlin/io/github/shadow578/yodel/downloader/TempFiles.kt
+++ b/app/src/main/kotlin/io/github/shadow578/yodel/downloader/TempFiles.kt
@@ -23,14 +23,14 @@ class TempFiles(tempFile: File, format: String) {
 
     /**
      * the main audio file downloaded by youtube-dl.
-     * this file will be the same as [.convertedAudio], but with a .tmp extension
      */
     private val downloadedAudio: File = File(tempFile.absolutePath + ".tmp")
 
     /**
-     * the converted audio file, created by ffmpeg with the --extract-audio option
+     * the converted audio file, created by ffmpeg with the --extract-audio option.
+     * this file will be the same as [.downloadedAudio], but with the format extension added to it (*.tmp.<fmt>)
      */
-    private val convertedAudio: File = File(tempFile.absolutePath + "." + format)
+    private val convertedAudio: File = File(downloadedAudio.absolutePath + "." + format)
 
     /**
      * delete all files
diff --git a/app/src/test/kotlin/io/github/shadow578/yodel/TestUtil.kt b/app/src/test/kotlin/io/github/shadow578/yodel/TestUtil.kt
index 602fb86..3727805 100644
--- a/app/src/test/kotlin/io/github/shadow578/yodel/TestUtil.kt
+++ b/app/src/test/kotlin/io/github/shadow578/yodel/TestUtil.kt
@@ -21,8 +21,8 @@ fun <T> LiveData<T>.getOrAwaitValue(
     var data: T? = null
     val latch = CountDownLatch(1)
     val observer = object : Observer<T> {
-        override fun onChanged(o: T?) {
-            data = o
+        override fun onChanged(value: T) {
+            data = value
             latch.countDown()
             this@getOrAwaitValue.removeObserver(this)
         }
diff --git a/build.gradle.kts b/build.gradle.kts
index ec8a3a5..12a5cef 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,8 +6,8 @@ buildscript {
         maven { setUrl("https://plugins.gradle.org/m2/") }
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:7.3.0")
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10")
+        classpath("com.android.tools.build:gradle:7.4.2")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.10")
         classpath("com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:8.9.4")
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 150e51a..25475a3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Sun Jul 18 10:54:22 CEST 2021
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME