diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7799ad0ff..fc9054ad5 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -33,6 +33,11 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
+      - uses: maxim-lobanov/setup-xcode@v1
+        if: startsWith(runner.os, 'mac')
+        with:
+          xcode-version: '10.3.0'
+
       - name: Build
         run: |
           yarn global add cross-env