diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9e2a27e..9ef97fd 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -7,6 +7,8 @@ jobs:
   pr-pull:
     if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
     runs-on: ubuntu-22.04
+    env:
+      HOMEBREW_NO_INSTALL_FROM_API: 1
     steps:
       - name: Set up Homebrew
         uses: Homebrew/actions/setup-homebrew@master
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ed26708..c11b113 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,6 +10,8 @@ jobs:
       matrix:
         os: [ubuntu-22.04, macos-12]
     runs-on: ${{ matrix.os }}
+    env:
+      HOMEBREW_NO_INSTALL_FROM_API: 1
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew