diff --git a/.travis.yml b/.travis.yml
index d9bcc41..f7b3dc9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode9.1
+osx_image: xcode9.3
 
 script:
   - xcodebuild clean build test -workspace Surge.xcworkspace -scheme Surge-iOS -destination 'platform=iOS Simulator,name=iPhone 8,OS=11.1'
diff --git a/Surge.podspec b/Surge.podspec
index 239456d..5a0a902 100644
--- a/Surge.podspec
+++ b/Surge.podspec
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target = '9.0'
   s.watchos.deployment_target = '3.0'
 
-  s.source_files = 'Source/*.swift'
+  s.source_files = 'Sources/Surge/*.swift'
 
   s.frameworks = 'Accelerate'