diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73ce0f1d..696da916 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-10.15
+    runs-on: macos-11
     steps:
       - name: -- Step 0 -- Extract branch name
         shell: bash
@@ -33,6 +33,7 @@ jobs:
         run: bundle install
       - name: -- Step 7 -- Run fastlane
         env:
+          DEVELOPER_DIR: /Applications/Xcode_12.5.1.app/Contents/Developer
           ENVIRONMENT: ${{ steps.branch.outputs.branch }}
           LC_ALL: en_US.UTF-8
           LANG: en_US.UTF-8