diff --git a/.github/workflows/macos_unit_tests.yaml b/.github/workflows/macos_unit_tests.yaml
index f4b55bab864fde6c20b6e721ebf10efa4ce2f9e8..1e60f769189ac17429993c1ff0e172e75d5989c0 100644
--- a/.github/workflows/macos_unit_tests.yaml
+++ b/.github/workflows/macos_unit_tests.yaml
@@ -26,8 +26,6 @@ jobs:
           pip install --upgrade flake8 pep8-naming
     - name: Setup Homebrew packages
       run: |
-        brew update
-        brew upgrade
         brew install gcc gnupg2 dash kcov
     - name: Run unit tests
       run: |