diff --git a/.github/workflows/formula-check.yml b/.github/workflows/formula-check.yml
index 457b56c..d5d74f0 100644
--- a/.github/workflows/formula-check.yml
+++ b/.github/workflows/formula-check.yml
@@ -5,10 +5,12 @@ on:
     branches: [main]
     paths:
       - 'Formula/**'
+      - '.github/workflows/formula-check.yml'
   pull_request:
     branches: [main]
     paths:
       - 'Formula/**'
+      - '.github/workflows/formula-check.yml'
 
 jobs:
   check:
@@ -35,3 +37,11 @@ jobs:
             echo "Error: Trailing whitespace found"
             exit 1
           fi
+
+      - name: Install formula
+        run: |
+          brew install --build-from-source structkit
+
+      - name: Test formula
+        run: |
+          brew test structkit
diff --git a/Formula/structkit.rb b/Formula/structkit.rb
index 5d24835..4316425 100644
--- a/Formula/structkit.rb
+++ b/Formula/structkit.rb
@@ -3,10 +3,11 @@ class Structkit < Formula
 
   desc "YAML-first project scaffolding tool with AI/MCP integration"
   homepage "https://structkit.app"
-  url "https://files.pythonhosted.org/packages/b5/4f/257ae3ff6e92d68e926eb56589de260b856c51e58f991dd28d6d4f5a39cb/structkit-3.2.1.tar.gz"
-  sha256 "7dcdce6debf3522dff61814a6cc80e60450a9b33c1a24f7bfb88b7ce663cf22c"
+  url "https://files.pythonhosted.org/packages/96/1f/68245bee0ae39a27053b3044cfd7083c6867b3fc71bb62213b9b680ba35b/structkit-3.3.0.tar.gz"
+  sha256 "4b7272f036f3fa6835cb0d5fa6a0df43084a8c07d591f25de99397b0c7603cd2"
   license "Apache-2.0"
 
+  depends_on "rust" => :build
   depends_on "libsodium"
   depends_on "python@3.12"
 
@@ -170,6 +171,6 @@ def install
   end
 
   test do
-    assert_match "structkit", shell_output("#{bin}/structkit --version")
+    assert_match "usage", shell_output("#{bin}/structkit --help")
   end
 end
diff --git a/README.md b/README.md
index 6904ec7..8899ae4 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ When a new version of StructKit is released on PyPI, update the formula:
 1. **Download and calculate the SHA256 hash for the new version:**
 
    ```bash
-   VERSION=3.2.2  # Replace with the new version
+   VERSION=3.3.0  # Replace with the new version
    curl -sL "https://files.pythonhosted.org/packages/source/s/structkit/structkit-${VERSION}.tar.gz" \
      --output "/tmp/structkit-${VERSION}.tar.gz"
    sha256sum "/tmp/structkit-${VERSION}.tar.gz"
@@ -66,7 +66,7 @@ When a new version of StructKit is released on PyPI, update the formula:
 ### Checking for new dependencies:
 
 ```bash
-VERSION=3.2.2  # Replace with the new version
+VERSION=3.3.0  # Replace with the new version
 cd /tmp
 tar -xzf "structkit-${VERSION}.tar.gz"
 cat "structkit-${VERSION}/pyproject.toml" | grep -A 20 "dependencies ="