diff --git a/.github/workflows/_prepare.yml b/.github/workflows/_prepare.yml
index 5470e06..b9f43ae 100644
--- a/.github/workflows/_prepare.yml
+++ b/.github/workflows/_prepare.yml
@@ -12,7 +12,7 @@ on:
         description: Git ref to checkout of build-emacs-for-macos
         required: false
         type: string
-        default: "v0.6.47"
+        default: "v0.6.48"
     secrets:
       TAP_REPO_TOKEN:
         description: Personal Access Token for Homebrew Tap repo
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0f039cc..4608801 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ on:
       builder_ref:
         description: "Git ref to checkout of build-emacs-for-macos"
         required: true
-        default: "v0.6.47"
+        default: "v0.6.48"
       builder_args:
         description: Custom arguments passed to build script
         required: false