diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 177f5e8..cc5e70d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,8 @@ concurrency:
 
 env:
   # Common versions
-  PYTHON_VERSION: '3.11.5'
+  PYTHON_VERSION: '3.11'
+  HATCH_VERSION: '1.12.0'
 
   # The PyPi project version to push. The default is v0.0.0+gitdate-gitsha.
   PYPI_VERSION: ${{ inputs.version }}
@@ -45,10 +46,10 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Hatch
-        run: pipx install hatch==1.7.0
+        run: pipx install hatch==${{ env.HATCH_VERSION }}
 
       - name: Lint
-        run: hatch run lint:check
+        run: hatch fmt
 
   unit-test:
     runs-on: ubuntu-22.04
@@ -62,10 +63,10 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Hatch
-        run: pipx install hatch==1.7.0
+        run: pipx install hatch==${{ env.HATCH_VERSION }}
 
       - name: Run Unit Tests
-        run: hatch run test:unit
+        run: hatch test --all --randomize
 
 
   build:
@@ -80,7 +81,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Hatch
-        run: pipx install hatch==1.7.0
+        run: pipx install hatch==${{ env.HATCH_VERSION }}
 
       # If a version wasn't explicitly passed as a workflow_dispatch input we
       # default to version v0.0.0+<git-commit-date>-<git-short-sha>, for example
@@ -143,7 +144,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Hatch
-        run: pipx install hatch==1.7.0
+        run: pipx install hatch==${{ env.HATCH_VERSION }}
 
       - name: Build Documentation
         run: hatch run docs:pdoc -d google crossplane/function -o docs
diff --git a/README.md b/README.md
index ad1f88e..87e6e24 100644
--- a/README.md
+++ b/README.md
@@ -34,11 +34,11 @@ Some useful commands:
 # Generate gRPC stubs.
 hatch run generate:protoc
 
-# Lint the code.
-hatch run lint:check
+# Format and lint the code.
+hatch fmt
 
 # Run unit tests.
-hatch run test:unit
+hatch test
 
 # Build an sdist and wheel.
 hatch build
diff --git a/pyproject.toml b/pyproject.toml
index 08a6eb3..40c2cb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,23 +49,6 @@ dependencies = ["grpcio-tools==1.66.2"]
 [tool.hatch.envs.generate.scripts]
 protoc = "python -m grpc_tools.protoc --proto_path=. --python_out=. --pyi_out=. --grpc_python_out=. crossplane/function/proto/v1beta1/run_function.proto crossplane/function/proto/v1/run_function.proto"
 
-[tool.hatch.envs.lint]
-type = "virtual"
-detached = true
-path = ".venv-lint"
-dependencies = ["ruff==0.6.9"]
-
-[tool.hatch.envs.lint.scripts]
-check = "ruff format crossplane tests && ruff check --fix crossplane tests"
-
-
-[tool.hatch.envs.test]
-type = "virtual"
-path = ".venv-test"
-
-[tool.hatch.envs.test.scripts]
-unit = "python -m unittest tests/*.py"
-
 [tool.hatch.envs.docs]
 type = "virtual"
 path = ".venv-docs"
@@ -77,6 +60,11 @@ generate = "pdoc -m google crossplane/function -o docs"
 [tool.hatch.build.targets.wheel]
 packages = ["crossplane"]
 
+# This special environment is used by hatch fmt.
+[tool.hatch.envs.hatch-static-analysis]
+dependencies = ["ruff==0.6.9"]
+config-path = "none"           # Disable Hatch's default Ruff config.
+
 [tool.ruff]
 target-version = "py311"
 exclude = ["crossplane/function/proto/*", "tests/testdata/*"]
diff --git a/tests/test_resource.py b/tests/test_resource.py
index 47fb18b..e9c818f 100644
--- a/tests/test_resource.py
+++ b/tests/test_resource.py
@@ -22,8 +22,7 @@
 
 import crossplane.function.proto.v1.run_function_pb2 as fnv1
 from crossplane.function import logging, resource
-
-from .testdata.models.io.upbound.aws.s3 import v1beta2
+from tests.testdata.models.io.upbound.aws.s3 import v1beta2
 
 
 class TestResource(unittest.TestCase):