diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b699bcc..3e51e79 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -40,7 +40,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: jimeh/build-emacs-for-macos
-          ref: "v0.6.14"
+          ref: "v0.6.15"
           path: builder
       - uses: actions/setup-go@v2
         with:
@@ -96,7 +96,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: jimeh/build-emacs-for-macos
-          ref: "v0.6.14"
+          ref: "v0.6.15"
           path: builder
       - uses: ruby/setup-ruby@v1
         with: