diff --git a/ci/install.sh b/ci/install.sh
index 11d33ffe..fc69fa37 100644
--- a/ci/install.sh
+++ b/ci/install.sh
@@ -55,7 +55,6 @@ main() {
             stty cols 80
             ;;
         x86_64-apple-darwin|i686-apple-darwin)
-            brew upgrade python
             python -V
             python3 -V
             brew install tmux