diff --git a/Formula/c/code2prompt.rb b/Formula/c/code2prompt.rb
index 3116ca97648b4..7564a43fa7bd2 100644
--- a/Formula/c/code2prompt.rb
+++ b/Formula/c/code2prompt.rb
@@ -1,19 +1,19 @@
 class Code2prompt < Formula
   desc "CLI tool to convert your codebase into a single LLM prompt"
   homepage "https://github.com/mufeedvh/code2prompt"
-  url "https://github.com/mufeedvh/code2prompt/archive/refs/tags/v2.1.0.tar.gz"
-  sha256 "f1864a5d9e8e23270e0ef17ec56d709dad0ba4134950cf72b310a63b548b5c2d"
+  url "https://github.com/mufeedvh/code2prompt/archive/refs/tags/v3.0.2.tar.gz"
+  sha256 "08e45407b71bf5e5fb89930043b085cf8965a008dc5004d4aa4ac64db0e447e0"
   license "MIT"
   head "https://github.com/mufeedvh/code2prompt.git", branch: "main"
 
   bottle do
-    sha256 cellar: :any,                 arm64_sequoia: "a1dc66e144a2dfeff7dda031cc0d16632d282119d736b0993cf50a7a5b005b67"
-    sha256 cellar: :any,                 arm64_sonoma:  "8c40b3ece87ed6c35ea242579e781faf9fd20686a94b7fe432abe3a13ab32736"
-    sha256 cellar: :any,                 arm64_ventura: "db469773a77d1e02a4ddb2a95a451eb8615aca0ef682e40bd6101b789887f999"
-    sha256 cellar: :any,                 sonoma:        "20723e1b0317cc845d3a485f4bc117e2555d302f897e91711bf15f463da9af09"
-    sha256 cellar: :any,                 ventura:       "2dd202385ad7dd7ae77789cd49776a2ca7156f99040d26fcb5fc926bde3bb57b"
-    sha256 cellar: :any_skip_relocation, arm64_linux:   "602d1c3a1a724b30a16c84e774aaf3f13f948d63a093ff4578391d3e6c475c7a"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "9344860f7461bba1dae2a42a0d29c35279a5fde630d1dc1589137de249cdcdfa"
+    sha256 cellar: :any,                 arm64_sequoia: "ffb0a37cd1c18cfce0671d5f12893bf3e76861adeed8aebd0877bb0e297722aa"
+    sha256 cellar: :any,                 arm64_sonoma:  "bf804355c19b6f6be322938ed43f0cc80201f1b530a5fa26ef0f155326f19f5c"
+    sha256 cellar: :any,                 arm64_ventura: "2c8ece110e8e9691417400d8e011ed0954a9b7f3b160a3d0988632219cf0c5e3"
+    sha256 cellar: :any,                 sonoma:        "a9a016853a6abfd026b1ab3db2205faf4da346be2fec686a5504b7eac87071a2"
+    sha256 cellar: :any,                 ventura:       "7429f9f5fa52f3d55ce31b80a92feacbcf2d8dcd5a5a13ec5b3da1f50ff362a0"
+    sha256 cellar: :any_skip_relocation, arm64_linux:   "61242b4adb9b40caf4e07985b0f3e8296574322f18b60cf459812cf6e8197e09"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "ef85b418af9acc67de01f42ac222b996933588a6f8d02cd7b162346aae8084ff"
   end
 
   depends_on "pkgconf" => :build
@@ -27,7 +27,7 @@ def install
     ENV["OPENSSL_DIR"] = Formula["openssl@3"].opt_prefix
     ENV["OPENSSL_NO_VENDOR"] = "1"
 
-    system "cargo", "install", *std_cargo_args
+    system "cargo", "install", *std_cargo_args(path: "crates/code2prompt")
   end
 
   test do
@@ -40,8 +40,9 @@ def hello_world():
           print("Hello, world!")
     PYTHON
 
-    output = shell_output("#{bin}/code2prompt --no-clipboard --json test.py")
-    assert_match "ChatGPT models, text-embedding-ada-002", JSON.parse(output)["model_info"]
+    system bin/"code2prompt", "--no-clipboard", "--output-file", "test.json", "--output-format", "json", "test.py"
+    json_output = (testpath/"test.json").read
+    assert_match "ChatGPT models, text-embedding-ada-002", JSON.parse(json_output)["model_info"]
 
     [
       Formula["openssl@3"].opt_lib/shared_library("libssl"),