diff --git a/Formula/twilio.rb b/Formula/twilio.rb
index 8f5c758..1ff3e7e 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-v5.9.0/twilio-v5.9.0.tar.gz"
-  version "5.9.0"
-  sha256 "2e9bfe05e2e1559c38f0a1d6e9f32de8c775f07a2dbabfb03312dead8b4bdc47"
+  url "https://twilio-cli-prod.s3.amazonaws.com/twilio-v5.10.0/twilio-v5.10.0.tar.gz"
+  version "5.10.0"
+  sha256 "c6a8e02d7e6d04033875845d4c7e862ed4d1dc043d4fbf03827bf4ba886e9c05"
   depends_on "node"
 
   def install
diff --git a/Formula/twilio@5.9.0.rb b/Formula/twilio@5.9.0.rb
new file mode 100644
index 0000000..b5a45ba
--- /dev/null
+++ b/Formula/twilio@5.9.0.rb
@@ -0,0 +1,21 @@
+require "language/node"
+
+class TwilioAT590 < 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-v5.9.0/twilio-v5.9.0.tar.gz"
+  version "5.9.0"
+  sha256 "2e9bfe05e2e1559c38f0a1d6e9f32de8c775f07a2dbabfb03312dead8b4bdc47"
+  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