Update Kotlin and coroutines

app/build.gradle

@@ -244,12 +244,13 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 
-    final coroutines_version = '1.3.3'
+    final coroutines_version = '1.3.4'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 }
 
 buildscript {
-    ext.kotlin_version = '1.3.61'
+    ext.kotlin_version = '1.3.70'
     repositories {
         mavenCentral()
     }