diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5995e01..893b3c6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,7 +5,7 @@ jobs:
     name: Lint
     runs-on: macOS-latest
     env:
-      DEVELOPER_DIR: /Applications/Xcode_11.1.app
+      DEVELOPER_DIR: /Applications/Xcode_11.5.app
     steps:
       - uses: actions/checkout@v1
       - uses: actions-rs/toolchain@v1
@@ -37,7 +37,7 @@ jobs:
     name: Test
     runs-on: macOS-latest
     env:
-      DEVELOPER_DIR: /Applications/Xcode_11.1.app
+      DEVELOPER_DIR: /Applications/Xcode_11.5.app
     steps:
       - uses: actions/checkout@v1
       - uses: actions-rs/toolchain@v1