diff --git a/Brewfile b/Brewfile
index 4ffe50e86..8465d86f9 100644
--- a/Brewfile
+++ b/Brewfile
@@ -7,3 +7,4 @@ brew "graphviz"
 brew "pkg-config"
 brew "python3"
 brew "tcl-tk"
+brew "xdot"