diff --git a/Formula/twilio.rb b/Formula/twilio.rb
index eafdc54..d787762 100644
--- a/Formula/twilio.rb
+++ b/Formula/twilio.rb
@@ -3,9 +3,9 @@
 class Twilio < Formula
   desc "unleash the power of Twilio from your command prompt"
   homepage "https://github.com/twilio/twilio-cli"
-  url "https://twilio-cli-prod.s3.amazonaws.com/twilio-v4.1.0/twilio-v4.1.0.tar.gz"
-  version "4.1.0"
-  sha256 "eb60b97df041dd19292f39a5daf32769bac0231b95f31d4277605dc9060c14c9"
+  url "https://twilio-cli-prod.s3.amazonaws.com/twilio-v4.5.4/twilio-v4.5.4.tar.gz"
+  version "4.5.4"
+  sha256 "e223ec9f177b0f3b6ab56745c3cce26e58518bcf29f3ef6f1d4abaeea7ff3630"
   depends_on "node"
 
   def install
diff --git a/Formula/twilio@4.1.0.rb b/Formula/twilio@4.1.0.rb
new file mode 100644
index 0000000..48ee8b5
--- /dev/null
+++ b/Formula/twilio@4.1.0.rb
@@ -0,0 +1,21 @@
+require "language/node"
+
+class TwilioAT410 < Formula
+  desc "unleash the power of Twilio from your command prompt"
+  homepage "https://github.com/twilio/twilio-cli"
+  url "https://twilio-cli-prod.s3.amazonaws.com/twilio-v4.1.0/twilio-v4.1.0.tar.gz"
+  version "4.1.0"
+  sha256 "eb60b97df041dd19292f39a5daf32769bac0231b95f31d4277605dc9060c14c9"
+  depends_on "node"
+
+  def install
+    inreplace "bin/twilio", /^CLIENT_HOME=/, "export TWILIO_OCLIF_CLIENT_HOME=#{lib/"client"}\nCLIENT_HOME="
+    libexec.install Dir["*"]
+    bin.install_symlink libexec/"bin/twilio"
+  end
+
+  def post_install
+    pid = spawn("node #{libexec}/welcome.js")
+    Process.wait pid
+  end
+end