diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index ecb40b7627..f477b02db2 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -10,6 +10,11 @@ jobs:
     steps:
     - name: install dependencies
       run: |
+        brew uninstall openssl@1.0.2t
+        brew uninstall python@2.7.17
+        brew untap local/openssl
+        brew untap local/python2
+        brew cask install xquartz
         brew update
         brew upgrade
         brew --version