diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 05e8341bbc..e45d547c06 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -95,22 +95,22 @@ dependencies {
     implementation("tachiyomi.sourceapi:source-api:1.1")
 
     // Android X libraries
-    implementation("androidx.appcompat:appcompat:1.3.0-rc01")
+    implementation("androidx.appcompat:appcompat:1.3.0")
     implementation("androidx.cardview:cardview:1.0.0")
-    implementation("com.google.android.material:material:1.4.0-beta01")
-    implementation("androidx.recyclerview:recyclerview:1.2.0")
+    implementation("com.google.android.material:material:1.4.0")
+    implementation("androidx.recyclerview:recyclerview:1.2.1")
     implementation("androidx.preference:preference:1.1.1")
     implementation("androidx.annotation:annotation:1.2.0")
     implementation("androidx.browser:browser:1.3.0")
     implementation("androidx.biometric:biometric:1.1.0")
     implementation("androidx.palette:palette:1.0.0")
-    implementation("androidx.core:core-ktx:1.5.0")
+    implementation("androidx.core:core-ktx:1.6.0")
 
     implementation("androidx.constraintlayout:constraintlayout:2.0.4")
 
     implementation("androidx.multidex:multidex:2.0.1")
 
-    implementation("com.google.firebase:firebase-core:18.0.3")
+    implementation("com.google.firebase:firebase-core:19.0.0")
 
     val lifecycleVersion = "2.2.0"
     implementation("androidx.lifecycle:lifecycle-extensions:$lifecycleVersion")
@@ -159,9 +159,10 @@ dependencies {
     implementation(kotlin("reflect", version = Versions.kotlin))
 
     // JSON
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:${Versions.kotlinSerialization}")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-protobuf:${Versions.kotlinSerialization}")
-    implementation("com.google.code.gson:gson:2.8.6")
+    val kotlinSerialization =  "1.2.1"
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:${kotlinSerialization}")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-protobuf:${kotlinSerialization}")
+    implementation("com.google.code.gson:gson:2.8.7")
     implementation("com.github.salomonbrys.kotson:kotson:2.5.0")
 
     // JavaScript engine
@@ -229,7 +230,7 @@ dependencies {
     // Conductor
     val conductorVersion = "3.0.0"
     implementation("com.bluelinelabs:conductor:$conductorVersion")
-    implementation("com.github.jays2kings:conductor-support-preference:3.0.0")
+    implementation("com.github.tachiyomiorg:conductor-support-preference:$conductorVersion")
 
     // RxBindings
     implementation("com.jakewharton.rxbinding:rxbinding-kotlin:${Versions.RX_BINDING}")
@@ -238,8 +239,8 @@ dependencies {
     implementation("com.jakewharton.rxbinding:rxbinding-recyclerview-v7-kotlin:${Versions.RX_BINDING}")
 
     // Tests
-    testImplementation("junit:junit:4.13")
-    testImplementation("org.assertj:assertj-core:3.12.2")
+    testImplementation("junit:junit:4.13.2")
+    testImplementation("org.assertj:assertj-core:3.16.1")
     testImplementation("org.mockito:mockito-core:1.10.19")
 
     testImplementation("org.robolectric:robolectric:${Versions.ROBO_ELECTRIC}")
@@ -260,7 +261,7 @@ dependencies {
     implementation("com.google.android.gms:play-services-oss-licenses:${Versions.OSS_LICENSE}")
 
     // TLS 1.3 support for Android < 10
-    implementation("org.conscrypt:conscrypt-android:2.4.0")
+    implementation("org.conscrypt:conscrypt-android:2.5.2")
 }
 
 
diff --git a/build.gradle.kts b/build.gradle.kts
index f4d3e92e80..25e6837353 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -23,7 +23,7 @@ subprojects {
 buildscript {
     dependencies {
         classpath(LegacyPluginClassPath.fireBaseCrashlytics)
-        classpath(LegacyPluginClassPath.androidGradlePlugin)
+        classpath("com.android.tools.build:gradle:4.2.2")
         classpath(LegacyPluginClassPath.googleServices)
         classpath(LegacyPluginClassPath.kotlinPlugin)
         classpath(LegacyPluginClassPath.aboutLibraries)
diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
index 14e1700fad..9e1c44ab7f 100644
--- a/buildSrc/src/main/kotlin/Dependencies.kt
+++ b/buildSrc/src/main/kotlin/Dependencies.kt
@@ -18,7 +18,6 @@ object Versions {
     const val androidCardView = "1.0.0"
     const val androidConstraintLayout = "1.1.3"
     const val androidCoreKtx = "1.3.1"
-    const val androidGradlePlugin = "4.2.1"
     const val androidLifecycle = "2.2.0"
     const val androidMaterial = "1.1.0"
     const val androidMultiDex = "2.0.1"
@@ -50,8 +49,6 @@ object Versions {
     const val jsoup = "1.13.1"
     const val junit = "4.13"
     const val kotlin = "1.5.10"
-    const val kotlinCoroutines = "1.3.9"
-    const val kotlinSerialization = "1.1.0"
     const val kotson = "2.5.0"
     const val ktlint = "9.4.0"
     const val loadingButton = "2.2.0"
@@ -92,7 +89,6 @@ object Versions {
 
 object LegacyPluginClassPath {
     const val aboutLibraries = "com.google.android.gms:oss-licenses-plugin:${Versions.aboutLibraries}"
-    const val androidGradlePlugin = "com.android.tools.build:gradle:${Versions.androidGradlePlugin}"
     const val googleServices = "com.google.gms:google-services:${Versions.googleServices}"
     const val kotlinPlugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}"
     const val kotlinSerializations = "org.jetbrains.kotlin:kotlin-serialization:${Versions.kotlin}"