diff --git a/.github/workflows/root-ci.yml b/.github/workflows/root-ci.yml
index c7b7a82168116..23c991a36e947 100644
--- a/.github/workflows/root-ci.yml
+++ b/.github/workflows/root-ci.yml
@@ -123,6 +123,25 @@ jobs:
       ${{ (github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' && join( matrix.overrides, ', ' )) || '' }}
 
     steps:
+      - name: Node state
+        shell: bash -leo pipefail {0}
+        run: |
+          echo $PATH
+          which cmake || true
+          find /opt -name cmake -type f || true
+          find /usr -name cmake -type f || true
+          cmake --version || true
+          which c++ || true
+          c++ --version || true
+          uname -a || true
+          sw_vers || true
+          uptime || true
+          df || true
+          echo $SHELL
+          echo $0
+          python3 -m site || true
+          pkgutil --pkg-info=com.apple.pkg.CLTools_Executables || true
+
       - name: Checkout
         uses: actions/checkout@v4
         with:
@@ -203,8 +222,8 @@ jobs:
 
       - name: Update build cache after push to release branch
         shell: bash -leo pipefail {0}
-        if:   github.event_name == 'push'
-        run: ".github/workflows/root-ci-config/build_root.py 
+        if:   ${{ github.event_name == 'push' && !matrix.platform == 'mac15' && !matrix.platform == 'mac26' }}
+        run: ".github/workflows/root-ci-config/build_root.py
                     --buildtype      RelWithDebInfo
                     --platform       ${{ matrix.platform }}
                     --incremental    false