diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d077d97..6f37f09 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,7 +14,7 @@ Thank you for your interest in contributing to the OWASP AIBOM Generator! This p
 
    ```bash
    # Local Python setup
-   pip install -r requirements.txt
+   pip install .[dev]
    ```
 
 ## Development Workflow
@@ -127,7 +127,7 @@ aibom-generator/
 │   ├── schemas/              # JSON schemas (CycloneDX, SPDX)
 │   └── templates/            # HTML templates
 ├── tests/                    # Unit and integration tests
-└── requirements.txt
+└── pyproject.toml
 ```
 
 ### Key Concepts
@@ -141,7 +141,7 @@ aibom-generator/
 
 ```bash
 # Install test dependencies
-pip install -r requirements.txt
+pip install .[dev]
 
 # Run all tests
 pytest
@@ -158,7 +158,7 @@ pytest tests/test_validation.py -v
 ### Local Development (Recommended)
 
 ```bash
-pip install -r requirements.txt
+pip install .[dev]
 
 # Run API server
 python -m uvicorn src.main:app --reload --port 7860
diff --git a/README.md b/README.md
index f0cf12e..901c5fe 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ The tool is also listed in the official **[CycloneDX Tool Center](https://cyclon
 
 ### 1. Install Dependencies
 ```bash
-pip install -r requirements.txt
+pip install .
 ```
 
 ### 2. Run Web Application
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index bf42baa..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-huggingface_hub>=0.19.0
-transformers>=4.36.0
-torch>=2.0.0
-fastapi>=0.104.0
-uvicorn>=0.24.0
-pydantic>=2.4.0
-requests>=2.31.0
-python-dotenv>=1.0.0
-PyYAML>=6.0.1
-flask>=2.3.0
-gunicorn>=21.2.0
-cyclonedx-python-lib>=4.0.0
-python-multipart
-jinja2>=3.0.0
-datasets>=2.0.0
-beautifulsoup4>=4.11.0
-nltk>=3.8.0
-python-dateutil>=2.8.0
-jsonschema>=4.17.0
-sentencepiece>=0.1.99
-packageurl-python>=0.11.1
-
-# Test dependencies
-pytest>=7.0.0
-pytest-mock>=3.10.0
-pytest-cov>=4.0.0
\ No newline at end of file