diff --git a/build.gradle b/build.gradle
index d260f491da..2623db66fc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-beta7'
+        classpath 'com.android.tools.build:gradle:3.0.0'
         classpath 'com.novoda:bintray-release:0.5.0'
     }
     // Workaround for the following test coverage issue. Remove when fixed:
diff --git a/constants.gradle b/constants.gradle
index 282addf7aa..c2209cbbe6 100644
--- a/constants.gradle
+++ b/constants.gradle
@@ -21,7 +21,7 @@ project.ext {
     targetSdkVersion = 26
     buildToolsVersion = '26.0.2'
     testSupportLibraryVersion = '0.5'
-    supportLibraryVersion = '26.1.0'
+    supportLibraryVersion = '27.0.0'
     playServicesLibraryVersion = '11.4.2'
     dexmakerVersion = '1.2'
     mockitoVersion = '1.9.5'