--- a/build.gradle.kts	Wed Jun 19 00:18:14 2019 -0700
+++ b/build.gradle.kts	Wed Jun 19 13:05:22 2019 -0700
@@ -20,15 +20,16 @@
  */
 import com.geekorum.build.createComponentsPlatforms
 import com.geekorum.build.setupGoogleContent
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.net.URI
 
 plugins {
     id("com.google.android.gms.oss-licenses-plugin") version "0.9.5.1" apply false
     id("com.google.gms.google-services") version "3.2.0" apply false
     id("io.fabric") version "1.25.4" apply false
-    kotlin("android") version "1.3.30" apply false
-    kotlin("kapt") version "1.3.30" apply false
-    id("kotlinx-serialization") version "1.3.30" apply false
+    kotlin("android") version "1.3.40" apply false
+    kotlin("kapt") version "1.3.40" apply false
+    id("kotlinx-serialization") version "1.3.40" apply false
 }
 
 
@@ -37,7 +38,7 @@
 extra["daggerVersion"] = "2.21"
 extra["lifecycleVersion"] = "2.2.0-alpha01"
 extra["roomVersion"] = "2.1.0-beta01"
-extra["kotlinVersion"] = "1.3.30"
+extra["kotlinVersion"] = "1.3.40"
 extra["coroutinesVersion"] = "1.2.1"
 
 
@@ -55,6 +56,10 @@
     dependencies {
         createComponentsPlatforms()
     }
+
+    tasks.withType<KotlinCompile> {
+        kotlinOptions.jvmTarget = "1.8"
+    }
 }
 
 tasks.register("clean", Delete::class.java) {

--- a/manage_feeds/proguard-rules.pro	Wed Jun 19 00:18:14 2019 -0700
+++ b/manage_feeds/proguard-rules.pro	Wed Jun 19 13:05:22 2019 -0700
@@ -1,4 +1,3 @@
 # Keep dynamically added DataBinderMapper from this feature module
-# it should be added automatically but I guess this is a bug.
-# TODO report or look for it
+# https://issuetracker.google.com/issues/135574730
 -keep class com.geekorum.ttrss.manage_feeds.DataBinderMapperImpl { *; }