diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc44669..e4baa45 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       # taps directory, and trusts the tap so `brew` will load the formula.
       - name: Set up Homebrew
         id: set-up-homebrew
-        uses: Homebrew/actions/setup-homebrew@8f3d1ec8a696b3b9d9a6c3696b6c73033cab69e4 # 2026.08.14.1
+        uses: Homebrew/actions/setup-homebrew@3cdb78d0f62ad29dd32de765782654f4eedea607 # 2026.08.31.1
 
       - name: brew style
         run: brew style "${{ steps.set-up-homebrew.outputs.tap-name }}"
@@ -46,7 +46,7 @@ jobs:
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
-        uses: Homebrew/actions/setup-homebrew@8f3d1ec8a696b3b9d9a6c3696b6c73033cab69e4 # 2026.08.14.1
+        uses: Homebrew/actions/setup-homebrew@3cdb78d0f62ad29dd32de765782654f4eedea607 # 2026.08.31.1
 
       - name: brew install --build-from-source
         run: brew install --build-from-source --verbose "${{ steps.set-up-homebrew.outputs.tap-name }}/cortextool"
diff --git a/.github/workflows/update-cortextool.yml b/.github/workflows/update-cortextool.yml
index 48bfb46..5c25eb4 100644
--- a/.github/workflows/update-cortextool.yml
+++ b/.github/workflows/update-cortextool.yml
@@ -34,7 +34,7 @@ jobs:
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
-        uses: Homebrew/actions/setup-homebrew@8f3d1ec8a696b3b9d9a6c3696b6c73033cab69e4 # 2026.08.14.1
+        uses: Homebrew/actions/setup-homebrew@3cdb78d0f62ad29dd32de765782654f4eedea607 # 2026.08.31.1
 
       - name: Find and write the new version
         id: bump
@@ -90,7 +90,7 @@ jobs:
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
-        uses: Homebrew/actions/setup-homebrew@8f3d1ec8a696b3b9d9a6c3696b6c73033cab69e4 # 2026.08.14.1
+        uses: Homebrew/actions/setup-homebrew@3cdb78d0f62ad29dd32de765782654f4eedea607 # 2026.08.31.1
 
       - name: Download the bumped formula
         uses: actions/download-artifact@v8