diff --git a/app-remote-lib/CHANGELOG.md b/app-remote-lib/CHANGELOG.md
index 6e9a8c6..e303f38 100644
--- a/app-remote-lib/CHANGELOG.md
+++ b/app-remote-lib/CHANGELOG.md
@@ -1,3 +1,8 @@
+# Version 0.6.3
+
+**What's New**
+* Fix: Add rule to avoid proguard warning of missing classes
+
 # Version 0.6.2
 
 **What's New**
diff --git a/app-remote-lib/spotify-app-remote-release-0.6.2.aar b/app-remote-lib/spotify-app-remote-release-0.6.2.aar
deleted file mode 100644
index 8911d0a..0000000
Binary files a/app-remote-lib/spotify-app-remote-release-0.6.2.aar and /dev/null differ
diff --git a/app-remote-lib/spotify-app-remote-release-0.6.3.aar b/app-remote-lib/spotify-app-remote-release-0.6.3.aar
new file mode 100644
index 0000000..c93f475
Binary files /dev/null and b/app-remote-lib/spotify-app-remote-release-0.6.3.aar differ
diff --git a/app-remote-sample/build.gradle b/app-remote-sample/build.gradle
index 8506514..6810bb9 100644
--- a/app-remote-sample/build.gradle
+++ b/app-remote-sample/build.gradle
@@ -80,7 +80,7 @@ repositories {
 }
 
 dependencies {
-    implementation files('../app-remote-lib/spotify-app-remote-release-0.6.2.aar')
+    implementation files('../app-remote-lib/spotify-app-remote-release-0.6.3.aar')
 
     implementation "com.android.support:appcompat-v7:$supportLibVersion"
     implementation "com.android.support:gridlayout-v7:$supportLibVersion"
diff --git a/build.gradle b/build.gradle
index b89bfc1..232cfda 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath 'com.android.tools.build:gradle:3.5.0'
     }
 }