diff --git a/lib/mix/tasks/tailwind/update_version.ex b/lib/mix/tasks/tailwind/update_version.ex
index fefe41ed..067251ba 100644
--- a/lib/mix/tasks/tailwind/update_version.ex
+++ b/lib/mix/tasks/tailwind/update_version.ex
@@ -33,7 +33,7 @@ defmodule Mix.Tasks.Tailwind.UpdateVersion do
       new_config_contents =
         String.replace(
           config_contents,
-          ~r{version: "#{current_version}"},
+          ~s(version: "#{current_version}"),
           "version: \"#{latest_version}\""
         )