diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index ea0220d..479898e 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -8,11 +8,20 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
+    - name: Setup tmate session
+      uses: mxschmitt/action-tmate@v3
+      with:
+        detached: true
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
     - name: Install dependencies
       run: |
-        brew install autoconf automake hidapi libzip
+        brew install autoconf automake hidapi libtool libzip
         pip3 install build
     - name: Build libconcord
+      env:
+        CPATH: /opt/homebrew/include
       run: |
         cd libconcord
         mkdir m4; autoreconf --install