kmx.io/dart_sass

diff --git a/README.md b/README.md
index 8133036..05e2748 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ in dev:
 ```elixir
 def deps do
   [
-    {:dart_sass, "~> 0.3", runtime: Mix.env() == :dev}
+    {:dart_sass, "~> 0.4", runtime: Mix.env() == :dev}
   ]
 end
 ```
@@ -24,7 +24,7 @@ then it only needs to be a dev dependency:
 ```elixir
 def deps do
   [
-    {:dart_sass, "~> 0.3", only: :dev}
+    {:dart_sass, "~> 0.4", only: :dev}
   ]
 end
 ```
@@ -89,8 +89,8 @@ First add it as a dependency in your `mix.exs`:
 ```elixir
 def deps do
   [
-    {:phoenix, "~> 1.6.0-rc.0"},
-    {:dart_sass, "~> 0.2", runtime: Mix.env() == :dev}
+    {:phoenix, "~> 1.6.0"},
+    {:dart_sass, "~> 0.4", runtime: Mix.env() == :dev}
   ]
 end
 ```