diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
index 623d0a0..7b33b0a 100644
--- a/.github/workflows/ruff.yml
+++ b/.github/workflows/ruff.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -U pip
-          pip install -r requirements.txt
+          pip install -e ".[dev]"
       - name: Lint and check formatting with ruff
         run: |
           ruff check .
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2e52264..1170ad2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -U pip
-          pip install -r requirements.txt
+          pip install -e ".[dev]"
           pip install ".[test]"
       - name: Run all tests
         run: |
diff --git a/claude-agent-sdk/README.md b/claude-agent-sdk/README.md
index 66ae0b5..be23cc1 100644
--- a/claude-agent-sdk/README.md
+++ b/claude-agent-sdk/README.md
@@ -105,7 +105,7 @@ source .venv/bin/activate  # for Windows OS, .\.venv\Scripts\Activate instead sh
 #### Install dependencies
 
 ```sh
-pip install -r requirements.txt
+pip install -e ".[dev]"
 ```
 
 ## Providers
diff --git a/claude-agent-sdk/requirements.txt b/claude-agent-sdk/requirements.txt
deleted file mode 100644
index b8e1f92..0000000
--- a/claude-agent-sdk/requirements.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-slack-sdk==3.41.0
-slack-bolt>=1.28.0
-slack-cli-hooks<1.0.0
-claude-agent-sdk>=0.1.72
-aiohttp>=3.13.5
-python-dotenv==1.2.2
-
-pytest
-ruff==0.15.12
diff --git a/openai-agents-sdk/README.md b/openai-agents-sdk/README.md
index bc26d51..8432f79 100644
--- a/openai-agents-sdk/README.md
+++ b/openai-agents-sdk/README.md
@@ -105,7 +105,7 @@ source .venv/bin/activate  # for Windows OS, .\.venv\Scripts\Activate instead sh
 #### Install dependencies
 
 ```sh
-pip install -r requirements.txt
+pip install -e ".[dev]"
 ```
 
 ## Providers
diff --git a/openai-agents-sdk/requirements.txt b/openai-agents-sdk/requirements.txt
deleted file mode 100644
index 99f4fea..0000000
--- a/openai-agents-sdk/requirements.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-slack-sdk==3.41.0
-slack-bolt>=1.28.0
-slack-cli-hooks<1.0.0
-openai-agents
-python-dotenv==1.2.2
-
-pytest
-ruff==0.15.12
diff --git a/pydantic-ai/README.md b/pydantic-ai/README.md
index 96397f1..a5f227a 100644
--- a/pydantic-ai/README.md
+++ b/pydantic-ai/README.md
@@ -105,7 +105,7 @@ source .venv/bin/activate  # for Windows OS, .\.venv\Scripts\Activate instead sh
 #### Install dependencies
 
 ```sh
-pip install -r requirements.txt
+pip install -e ".[dev]"
 ```
 
 ## Providers
diff --git a/pydantic-ai/requirements.txt b/pydantic-ai/requirements.txt
deleted file mode 100644
index 8536381..0000000
--- a/pydantic-ai/requirements.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-slack-sdk==3.41.0
-slack-bolt>=1.28.0
-slack-cli-hooks<1.0.0
-pydantic-ai[openai,anthropic]
-python-dotenv==1.2.2
-
-pytest
-ruff==0.15.12