diff --git a/.circleci/config.yml b/.circleci/config.yml
index a346e0a5..73ed536e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,6 +3,10 @@ jobs:
   build:
     docker: 
       - image: gcc:8
+    dependencies:
+       pre:
+         - (brew update || brew update)
+         - (brew upgrade cmake || true)
     steps:
       - checkout 
       - run: make