diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9e0ad74..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-osx_image: xcode8.3
-language: objective-c
-podfile: Demo/Podfile
-cache: cocoapods
-before_install:
-  - pod repo update
-
-script: cd Demo ; set -o pipefail && xcodebuild -workspace 'Demo.xcworkspace' -scheme 'Demo' -configuration 'Debug' -sdk iphonesimulator -destination 'name=iPhone 6s' build test  | xcpretty -c --test
diff --git a/circle.yml b/circle.yml
new file mode 100644
index 0000000..a46a449
--- /dev/null
+++ b/circle.yml
@@ -0,0 +1,8 @@
+machine:
+  xcode:
+    version: 9.0
+  environment:
+    LANG: en_US.UTF-8
+test:
+  override: 
+    - cd Demo ; set -o pipefail && xcodebuild -workspace 'Demo.xcworkspace' -scheme 'Demo' -configuration 'Debug' -sdk iphonesimulator -destination 'name=iPhone 6s' build test