diff --git a/dotfiles/polybar.conf b/dotfiles/polybar.conf
index 0734235..fa6ad86 100644
--- a/dotfiles/polybar.conf
+++ b/dotfiles/polybar.conf
@@ -100,6 +100,9 @@ label = %{T2}%{T-} %percentage: 2%%
 type = internal/memory
 interval = 5
 label =  %percentage_used: 2%%
+warn-percentage = 90
+format-warn = <label>
+format-warn-foreground = ${colors.warning}
 
 [module/date]
 type = internal/date