diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 6ba49da4..b9cba5fc 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -54,10 +54,6 @@ jobs:
         - 3.11
         - 3.12
         - 3.13
-        include:
-        - aiohttp-version: ==3.9.2
-        - aiohttp-version: <4.0.0
-          python-version: 3.11
       fail-fast: false
     timeout-minutes: 5
 
@@ -66,19 +62,17 @@ jobs:
       uses: actions/checkout@v4
       with:
         submodules: true
-    - name: Setup Python ${{ matrix.pyver }}
+    - name: Setup Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
     - name: Lock and sync dependencies
-      env:
-        AIOHTTP_VERSION: ${{ matrix.aiohttp-version }}
       run: |
-        python -V -V
-        python -m pip install -U pip codecov pip-tools
-        time pip-compile requirements-dev.in
-        time pip-sync requirements-dev.txt
+        python -m pip install -U pip pip-tools
+        pip-compile --all-extras pyproject.toml requirements-dev.in
+        pip-sync
+        pip install -e ".[awscli,boto3]"
     - name: Run pre-commit hooks
       run: |
         make pre-commit
diff --git a/.gitignore b/.gitignore
index 189d3141..aa97482a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 # generated by users and intentionally not pushed to the repo
-requirements-dev.txt
+requirements.txt
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index ff949d4d..37c01bc3 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -23,8 +23,9 @@ For example, using ``virtualenvwrapper`` commands could look like::
 After that, please install libraries required for development::
 
     $ pip install pip-tools
-    $ pip-compile requirements-dev.in
-    $ pip-sync requirements-dev.txt
+    $ pip-compile --all-extras pyproject.toml requirements-dev.in
+    $ pip-sync
+    $ pip install -e ".[awscli,boto3]"
 
 Congratulations, you are ready to run the test suite::
 
diff --git a/README.rst b/README.rst
index e24884b6..0b9426a9 100644
--- a/README.rst
+++ b/README.rst
@@ -182,8 +182,9 @@ secret accessible via environment variables:
 ::
 
     $ pip install pip-tools
-    $ pip-compile requirements-dev.in
-    $ pip-sync requirements-dev.txt
+    $ pip-compile --all-extras pyproject.toml
+    $ pip-sync
+    $ pip install -e ".[awscli,boto3]"
     $ export AWS_ACCESS_KEY_ID=xxx
     $ export AWS_SECRET_ACCESS_KEY=xxx
     $ export AWS_DEFAULT_REGION=xxx # e.g. us-west-2
diff --git a/requirements-dev.in b/requirements-dev.in
index 6817775c..1567ea46 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -1,19 +1,25 @@
-codecov~=2.1.13
+### relevant botocore dev dependencies (from https://github.com/boto/botocore/blob/develop/requirements-dev.txt)
+
+# wheel==0.43.0
+# behave==1.2.5
+# jsonschema==4.21.1
 coverage==7.2.7
-docker~=7.1
-moto[server,s3,sqs,awslambda,dynamodb,cloudformation,sns,batch,ec2,rds]~=4.2.9
-pre-commit~=3.5.0
+# setuptools==71.1.0;python_version>="3.12"
+# packaging==24.1;python_version>="3.12"  # Requirement for setuptools>=71
+
+# Pytest specific deps
 pytest==8.1.1
 pytest-cov==5.0.0
-pytest-asyncio~=0.23.8
 pytest-xdist==3.5.0
+# atomicwrites>=1.0 # Windows requirement
+# colorama>0.3.0 # Windows requirement
 
-# this is needed for test_patches
-dill~=0.3.3
 
-# this is needed for test_version
-tomli; python_version < "3.11"
+### aiobotocore dev dependencies
 
-aiohttp${AIOHTTP_VERSION}
-
--e .[awscli,boto3]
+dill~=0.3.3  # Requirement for tests/test_patches.py
+docker~=7.1
+moto[server,s3,sqs,awslambda,dynamodb,cloudformation,sns,batch,ec2,rds]~=4.2.9
+pre-commit~=3.5.0
+pytest-asyncio~=0.23.8
+tomli; python_version < "3.11"  # Requirement for tests/test_version.py