diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 29ea16a..ff90c4e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,6 +34,7 @@ jobs:
       - name: Install non-python (homebrew) dependencies
         if: ${{ matrix.os == 'macOS-latest' }}
         run: |
+          brew update
           brew install opencascade cgal gmp mpfr boost
       - name: Get dependencies and install legendhpges
         run: |