diff --git a/Formula/snmcp.rb b/Formula/snmcp.rb
index 9cab773..ec6fb99 100644
--- a/Formula/snmcp.rb
+++ b/Formula/snmcp.rb
@@ -5,23 +5,23 @@
 class Snmcp < Formula
   desc "StreamNative MCP Server (snmcp)"
   homepage "https://streamnative.io/"
-  version "0.1.14"
+  version "0.1.16-rc.4"
   license "Apache-2.0"
 
   on_macos do
     if Hardware::CPU.intel?
-      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.14/streamnative-mcp-server_Darwin_x86_64.tar.gz"
-      sha256 "193332138760978c612cbfa786dd39b025dae36bcfc410e2a7df64cf82ada785"
+      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.16-rc.4/streamnative-mcp-server_Darwin_x86_64.tar.gz"
+      sha256 "06da2a2fa49fcd6eb72f18e530f856e5e2840298635048b4c3974d0dc3f05b6c"
 
-      def install
+      define_method(:install) do
         bin.install "snmcp"
       end
     end
     if Hardware::CPU.arm?
-      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.14/streamnative-mcp-server_Darwin_arm64.tar.gz"
-      sha256 "a56466b195019671d248357ee552410a6e39bb5afbd4f476c622bc7c54b2c336"
+      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.16-rc.4/streamnative-mcp-server_Darwin_arm64.tar.gz"
+      sha256 "47aa38d6948b2619ac63a83a6c8f62b15b8a22dc7c0d0c31dc5687ef0f5564d3"
 
-      def install
+      define_method(:install) do
         bin.install "snmcp"
       end
     end
@@ -29,16 +29,16 @@ def install
 
   on_linux do
     if Hardware::CPU.intel? && Hardware::CPU.is_64_bit?
-      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.14/streamnative-mcp-server_Linux_x86_64.tar.gz"
-      sha256 "9ddc8b8d70983bfbfcdd4866fdf37f3107676884f7213e8b517af3b789d021b3"
-      def install
+      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.16-rc.4/streamnative-mcp-server_Linux_x86_64.tar.gz"
+      sha256 "1d0049bec0d5dffd7d4167f815afe3be8af4fb01ca1c71f49fc5155c9448418f"
+      define_method(:install) do
         bin.install "snmcp"
       end
     end
     if Hardware::CPU.arm? && Hardware::CPU.is_64_bit?
-      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.14/streamnative-mcp-server_Linux_arm64.tar.gz"
-      sha256 "188532b8463a5cc9c1788161acfe2e434fd219ff235a1a069ef5f8e423d8f526"
-      def install
+      url "https://github.com/streamnative/streamnative-mcp-server/releases/download/v0.1.16-rc.4/streamnative-mcp-server_Linux_arm64.tar.gz"
+      sha256 "01d9b8b123df1214e727235598ba974190adccd721b6bbfa95da278c6ee30f0a"
+      define_method(:install) do
         bin.install "snmcp"
       end
     end