diff --git a/Brewfile b/Brewfile
index b50c70a4b..18e4e2917 100644
--- a/Brewfile
+++ b/Brewfile
@@ -9,4 +9,5 @@ brew "python3"
 brew "tcl-tk"
 brew "xdot"
 brew "bash"
-brew 'boost-python3'
+brew "boost-python3"
+brew "llvm"