diff --git a/ci/swift.yml b/ci/swift.yml
index 9306888..8a422f6 100644
--- a/ci/swift.yml
+++ b/ci/swift.yml
@@ -5,7 +5,7 @@ on: [push]
 jobs:
   build:
 
-    runs-on: macOS-latest
+    runs-on: macos-latest
 
     steps:
     - uses: actions/checkout@v2