diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f4c41200..e7500c4c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -40,6 +40,10 @@ jobs:
     env:
       QT_MAJOR: ${{ matrix.QT_MAJOR }}
     steps:
+      - name: Uninstall homebrew
+        run: |
+          brew uninstall --cask --force --ignore-dependencies $(brew list --cask)
+          brew uninstall --force --ignore-dependencies $(brew list) cmake
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
diff --git a/ci/travis-osx-script.sh b/ci/travis-osx-script.sh
index d486b743..cc6fa99a 100755
--- a/ci/travis-osx-script.sh
+++ b/ci/travis-osx-script.sh
@@ -4,6 +4,7 @@ set -ev
 
 mkdir build && cd build
 conda info
+which cmake
 cmake .. -G"Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DEXTRA_TESTS=OFF
 make -j4
 make test