diff --git a/.travis.yml b/.travis.yml
index 9d8258c..3d39cbb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,21 +1,13 @@
 language: dart
 
-# By default, builds are run in containers.
-# https://docs.travis-ci.com/user/getting-started/#Selecting-infrastructure-(optional)
-# Set `sudo: true` to disable containers if you need to use sudo in your scripts.
-# sudo: true
-
 dart:
 - dev
-# See https://docs.travis-ci.com/user/languages/dart/ for details.
+
 dart_task:
   - dartfmt
   - dartanalyzer
-  # TODO: reinstate tests once https://github.com/dart-lang/http_retry/issues/6 is fixed
-  #  - test: --platform vm
-  #    xvfb: false
-  #  # Uncomment this line to run tests on the browser.
-  #  - test: --platform firefox
+  - test: --platform vm
+  - test: --platform firefox
 
 # Only building master means that we don't run two builds for each pull request.
 branches:
diff --git a/pubspec.yaml b/pubspec.yaml
index d9261a7..cae7d83 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -13,5 +13,5 @@ dependencies:
   http: ^0.11.0
 
 dev_dependencies:
-  fake_async: ^0.1.2
+  fake_async: ^1.0.1
   test: ^1.2.0