diff --git a/_common.R b/_common.R
index 3630083..a806ebb 100644
--- a/_common.R
+++ b/_common.R
@@ -13,3 +13,6 @@ knitr::opts_chunk$set(
 )
 
 options(dplyr.print_min = 6, dplyr.print_max = 6)
+
+# Supress crayon output
+options(crayon.enabled = FALSE)