diff --git a/Formula/flow.rb b/Formula/flow.rb
index e2ef367e94..a7caf50d31 100644
--- a/Formula/flow.rb
+++ b/Formula/flow.rb
@@ -1,10 +1,21 @@
 class Flow < Formula
   desc "Static type checker for JavaScript"
   homepage "https://flowtype.org/"
-  url "https://github.com/facebook/flow/archive/v0.72.0.tar.gz"
-  sha256 "82468fe78308785b958f85f931899e0a703df65b8cc4ce1184c301f274f7fc84"
   head "https://github.com/facebook/flow.git"
 
+  stable do
+    url "https://github.com/facebook/flow/archive/v0.73.0.tar.gz"
+    sha256 "cfef40febb8db41a8d3c7f8d3da27e5ecbcda59d87a91d76e31d460c064c723c"
+
+    # Fix compilation with OCaml 4.06 (again - we did this for 0.68 too)
+    # Can delete with v0.74.0 deploy
+    # Upstream commit 24 May 2018 "Fix lwt type annotation for OCaml 4.06"
+    patch do
+      url "https://github.com/facebook/flow/commit/6ad707a.patch?full_index=1"
+      sha256 "d21a5325e0b56b884a71178388c08da7712be894090b2a940012cd8a69673ff8"
+    end
+  end
+
   bottle do
     cellar :any_skip_relocation
     sha256 "222162737c080f0ed67b758e0f20d98e5769d231ea680b31f0b3e7828ff86949" => :high_sierra