diff --git a/mix.exs b/mix.exs
index 9b31f1e..11775c1 100644
--- a/mix.exs
+++ b/mix.exs
@@ -37,7 +37,7 @@ defmodule Money.Mixfile do
     [
       # Soft dependencies
       {:ecto, "~> 1.0 or ~> 2.0 or ~> 2.1 or ~> 3.0", optional: true},
-      {:phoenix_html, "~> 2.0 or ~> 3.0", optional: true},
+      {:phoenix_html, "~> 2.0 or ~> 3.0 or ~> 4.0", optional: true},
       {:decimal, "~> 1.0 or ~> 2.0", optional: true},
 
       # Code style and analyzers