diff --git a/.travis.yml b/.travis.yml
index 9c44c0b..47f62b8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,19 @@
 language: dart
-sudo: false
+
 dart:
+  - 2.1.0
   - dev
 
 dart_task:
   - test
-  - dartfmt
   - dartanalyzer
 
+matrix:
+  include:
+  # Only validate formatting using the dev release
+  - dart: dev
+    dart_task: dartfmt
+
 # Only building master means that we don't run two builds for each pull request.
 branches:
   only: [master]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c03d636..7a85e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.7
+
+- Update SDK constraints to `>=2.1.0 <3.0.0`.
+
 ## 2.0.6
 
 * If there is a problem starting a loopback Ipv6 server, don't keep the Ipv4
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 6f476fe..0711aca 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -33,7 +33,6 @@
     - prefer_generic_function_type_aliases
     - prefer_is_not_empty
     - slash_for_doc_comments
-    - super_goes_last
     - test_types_in_equals
     - throw_in_finally
     - type_init_formals
diff --git a/codereview.settings b/codereview.settings
deleted file mode 100644
index 23d9fd4..0000000
--- a/codereview.settings
+++ /dev/null
@@ -1,3 +0,0 @@
-CODE_REVIEW_SERVER: http://codereview.chromium.org/
-VIEW_VC: https://github.com/dart-lang/http_multi_server/commit/
-CC_LIST: reviews@dartlang.org
\ No newline at end of file
diff --git a/pubspec.yaml b/pubspec.yaml
index 175c5bc..5be68b0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,12 @@
 name: http_multi_server
-version: 2.0.6
+version: 2.0.7-dev
 
 description: A dart:io HttpServer wrapper that handles requests from multiple servers.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/http_multi_server
 
 environment:
-  sdk: '>=2.0.0-dev.55.0 <3.0.0'
+  sdk: '>=2.1.0 <3.0.0'
 
 dependencies:
   async: '>=1.2.0 <3.0.0'