diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 87e9d4db..b8a4421b 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -32,6 +32,10 @@ jobs:
       - name: Install requirements
         run: python -m pip install -r env/requirements-style.txt
 
+      # Need to install Pooch to allow pylint to run
+      - name: Install Pooch
+        run: python -m pip install .
+
       - name: List installed packages
         run: python -m pip freeze
 
diff --git a/.gitignore b/.gitignore
index bf37484c..77e7cf19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,4 @@ doc/api/generated
 *.egg-info
 MANIFEST
 .coverage.*
-pooch/_version.py
+src/pooch/_version.py
diff --git a/MANIFEST.in b/MANIFEST.in
index fc94b5de..9688f73c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -12,4 +12,3 @@ exclude Makefile
 exclude .gitignore
 exclude .gitattributes
 exclude environment.yml
-include pooch/tests/data
diff --git a/Makefile b/Makefile
index 9d7ec156..60715fb2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,11 @@
 # Build, package, test, and clean
 PROJECT=pooch
-TESTDIR=tmp-test-dir-with-unique-name
-PYTEST_ARGS=--cov-config=../.coveragerc --cov-report=term-missing --cov=$(PROJECT) --doctest-modules -v --pyargs
+TESTS=tests src/$(PROJECT)
+PYTEST_ARGS=--cov-config=.coveragerc --cov-report=term-missing --cov=$(PROJECT) --doctest-modules -v --pyargs
 LINT_FILES=$(PROJECT)
-CHECK_STYLE=$(PROJECT) doc
+CHECK_STYLE=src/$(PROJECT) doc
+
+.PHONY: help build install test format check check-format check-style lint clean
 
 help:
 	@echo "Commands:"
@@ -24,11 +26,7 @@ install:
 	python -m pip install --no-deps -e .
 
 test:
-	# Run a tmp folder to make sure the tests are run on the installed version
-	mkdir -p $(TESTDIR)
-	cd $(TESTDIR); pytest $(PYTEST_ARGS) $(PROJECT)
-	cp $(TESTDIR)/.coverage* .
-	rm -r $(TESTDIR)
+	pytest $(PYTEST_ARGS) $(TESTS)
 
 format:
 	black $(CHECK_STYLE)
@@ -50,5 +48,5 @@ clean:
 	find . -name "*.pyc" -exec rm -v {} \;
 	find . -name "*.orig" -exec rm -v {} \;
 	find . -name ".coverage.*" -exec rm -v {} \;
-	rm -rvf build dist MANIFEST *.egg-info __pycache__ .coverage .cache .pytest_cache $(PROJECT)/_version.py
-	rm -rvf $(TESTDIR) dask-worker-space
+	rm -rvf build dist MANIFEST *.egg-info __pycache__ .coverage .cache .pytest_cache src/$(PROJECT)/_version.py
+	rm -rvf dask-worker-space
diff --git a/pyproject.toml b/pyproject.toml
index 1bfb3adb..32706f87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,8 +45,8 @@ xxhash = ["xxhash>=1.4.3"]
 "Bug Tracker" = "https://github.com/fatiando/pooch/issues"
 "Source Code" = "https://github.com/fatiando/pooch"
 
-[tool.setuptools.packages]
-find = {}  # Scanning implicit namespaces is active by default
+[tool.setuptools.packages.find]
+where = ["src"]
 
 [tool.setuptools.package-data]
 "pooch.tests.data" = ["*.txt", "*.zip", "*.gz", "*.xz", "*.bz2"]
@@ -60,7 +60,7 @@ build-backend = "setuptools.build_meta"
 [tool.setuptools_scm]
 version_scheme =  "post-release"
 local_scheme =  "node-and-date"
-write_to =  "pooch/_version.py"
+write_to =  "src/pooch/_version.py"
 
 [tool.pytest.ini_options]
 markers = [
diff --git a/pooch/__init__.py b/src/pooch/__init__.py
similarity index 100%
rename from pooch/__init__.py
rename to src/pooch/__init__.py
diff --git a/pooch/core.py b/src/pooch/core.py
similarity index 100%
rename from pooch/core.py
rename to src/pooch/core.py
diff --git a/pooch/downloaders.py b/src/pooch/downloaders.py
similarity index 100%
rename from pooch/downloaders.py
rename to src/pooch/downloaders.py
diff --git a/pooch/hashes.py b/src/pooch/hashes.py
similarity index 100%
rename from pooch/hashes.py
rename to src/pooch/hashes.py
diff --git a/pooch/processors.py b/src/pooch/processors.py
similarity index 100%
rename from pooch/processors.py
rename to src/pooch/processors.py
diff --git a/pooch/utils.py b/src/pooch/utils.py
similarity index 100%
rename from pooch/utils.py
rename to src/pooch/utils.py
diff --git a/pooch/tests/__init__.py b/tests/__init__.py
similarity index 100%
rename from pooch/tests/__init__.py
rename to tests/__init__.py
diff --git a/pooch/tests/data/large-data.txt b/tests/data/large-data.txt
similarity index 100%
rename from pooch/tests/data/large-data.txt
rename to tests/data/large-data.txt
diff --git a/pooch/tests/data/registry-custom-url.txt b/tests/data/registry-custom-url.txt
similarity index 100%
rename from pooch/tests/data/registry-custom-url.txt
rename to tests/data/registry-custom-url.txt
diff --git a/pooch/tests/data/registry-invalid.txt b/tests/data/registry-invalid.txt
similarity index 100%
rename from pooch/tests/data/registry-invalid.txt
rename to tests/data/registry-invalid.txt
diff --git a/pooch/tests/data/registry-spaces.txt b/tests/data/registry-spaces.txt
similarity index 100%
rename from pooch/tests/data/registry-spaces.txt
rename to tests/data/registry-spaces.txt
diff --git a/pooch/tests/data/registry.txt b/tests/data/registry.txt
similarity index 100%
rename from pooch/tests/data/registry.txt
rename to tests/data/registry.txt
diff --git a/pooch/tests/data/registry_comments.txt b/tests/data/registry_comments.txt
similarity index 100%
rename from pooch/tests/data/registry_comments.txt
rename to tests/data/registry_comments.txt
diff --git a/pooch/tests/data/store.tar.gz b/tests/data/store.tar.gz
similarity index 100%
rename from pooch/tests/data/store.tar.gz
rename to tests/data/store.tar.gz
diff --git a/pooch/tests/data/store.zip b/tests/data/store.zip
similarity index 100%
rename from pooch/tests/data/store.zip
rename to tests/data/store.zip
diff --git a/pooch/tests/data/store/subdir/tiny-data.txt b/tests/data/store/subdir/tiny-data.txt
similarity index 100%
rename from pooch/tests/data/store/subdir/tiny-data.txt
rename to tests/data/store/subdir/tiny-data.txt
diff --git a/pooch/tests/data/store/tiny-data.txt b/tests/data/store/tiny-data.txt
similarity index 100%
rename from pooch/tests/data/store/tiny-data.txt
rename to tests/data/store/tiny-data.txt
diff --git a/pooch/tests/data/tiny-data.tar.gz b/tests/data/tiny-data.tar.gz
similarity index 100%
rename from pooch/tests/data/tiny-data.tar.gz
rename to tests/data/tiny-data.tar.gz
diff --git a/pooch/tests/data/tiny-data.txt b/tests/data/tiny-data.txt
similarity index 100%
rename from pooch/tests/data/tiny-data.txt
rename to tests/data/tiny-data.txt
diff --git a/pooch/tests/data/tiny-data.txt.bz2 b/tests/data/tiny-data.txt.bz2
similarity index 100%
rename from pooch/tests/data/tiny-data.txt.bz2
rename to tests/data/tiny-data.txt.bz2
diff --git a/pooch/tests/data/tiny-data.txt.gz b/tests/data/tiny-data.txt.gz
similarity index 100%
rename from pooch/tests/data/tiny-data.txt.gz
rename to tests/data/tiny-data.txt.gz
diff --git a/pooch/tests/data/tiny-data.txt.xz b/tests/data/tiny-data.txt.xz
similarity index 100%
rename from pooch/tests/data/tiny-data.txt.xz
rename to tests/data/tiny-data.txt.xz
diff --git a/pooch/tests/data/tiny-data.zip b/tests/data/tiny-data.zip
similarity index 100%
rename from pooch/tests/data/tiny-data.zip
rename to tests/data/tiny-data.zip
diff --git a/pooch/tests/test_core.py b/tests/test_core.py
similarity index 98%
rename from pooch/tests/test_core.py
rename to tests/test_core.py
index fceda0a0..8be7773b 100644
--- a/pooch/tests/test_core.py
+++ b/tests/test_core.py
@@ -15,13 +15,13 @@
 
 import pytest
 
-from ..core import create, Pooch, retrieve, download_action, stream_download
-from ..utils import get_logger, temporary_file, os_cache
-from ..hashes import file_hash, hash_matches
+from pooch.core import create, Pooch, retrieve, download_action, stream_download
+from pooch.utils import get_logger, temporary_file, os_cache
+from pooch.hashes import file_hash, hash_matches
 
 # Import the core module so that we can monkeypatch some functions
-from .. import core
-from ..downloaders import HTTPDownloader, FTPDownloader
+from pooch import core
+from pooch.downloaders import HTTPDownloader, FTPDownloader
 
 from .utils import (
     pooch_test_url,
diff --git a/pooch/tests/test_downloaders.py b/tests/test_downloaders.py
similarity index 99%
rename from pooch/tests/test_downloaders.py
rename to tests/test_downloaders.py
index 14e32f92..0c084cfd 100644
--- a/pooch/tests/test_downloaders.py
+++ b/tests/test_downloaders.py
@@ -23,8 +23,8 @@
 except ImportError:
     paramiko = None
 
-from .. import Pooch
-from ..downloaders import (
+from pooch import Pooch
+from pooch.downloaders import (
     HTTPDownloader,
     FTPDownloader,
     SFTPDownloader,
@@ -35,7 +35,7 @@
     DataverseRepository,
     doi_to_url,
 )
-from ..processors import Unzip
+from pooch.processors import Unzip
 from .utils import (
     pooch_test_url,
     check_large_data,
diff --git a/pooch/tests/test_hashes.py b/tests/test_hashes.py
similarity index 99%
rename from pooch/tests/test_hashes.py
rename to tests/test_hashes.py
index cf6897e2..0db32504 100644
--- a/pooch/tests/test_hashes.py
+++ b/tests/test_hashes.py
@@ -22,8 +22,8 @@
     xxhash = None
     XXHASH_MAJOR_VERSION = 0
 
-from ..core import Pooch
-from ..hashes import (
+from pooch.core import Pooch
+from pooch.hashes import (
     make_registry,
     file_hash,
     hash_matches,
diff --git a/pooch/tests/test_integration.py b/tests/test_integration.py
similarity index 95%
rename from pooch/tests/test_integration.py
rename to tests/test_integration.py
index 831a41f9..e09e02c9 100644
--- a/pooch/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -14,8 +14,8 @@
 
 import pytest
 
-from .. import create, os_cache
-from .. import __version__ as full_version
+from pooch import create, os_cache
+from pooch import __version__ as full_version
 from .utils import check_tiny_data, capture_log
 
 
diff --git a/pooch/tests/test_processors.py b/tests/test_processors.py
similarity index 99%
rename from pooch/tests/test_processors.py
rename to tests/test_processors.py
index 1a2a1e2a..f4174099 100644
--- a/pooch/tests/test_processors.py
+++ b/tests/test_processors.py
@@ -13,8 +13,8 @@
 
 import pytest
 
-from .. import Pooch
-from ..processors import Unzip, Untar, Decompress
+from pooch import Pooch
+from pooch.processors import Unzip, Untar, Decompress
 
 from .utils import pooch_test_url, pooch_test_registry, check_tiny_data, capture_log
 
diff --git a/pooch/tests/test_utils.py b/tests/test_utils.py
similarity index 99%
rename from pooch/tests/test_utils.py
rename to tests/test_utils.py
index 71401297..09bad6a6 100644
--- a/pooch/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -17,7 +17,7 @@
 
 import pytest
 
-from ..utils import (
+from pooch.utils import (
     parse_url,
     make_local_storage,
     temporary_file,
diff --git a/pooch/tests/test_version.py b/tests/test_version.py
similarity index 100%
rename from pooch/tests/test_version.py
rename to tests/test_version.py
diff --git a/pooch/tests/utils.py b/tests/utils.py
similarity index 98%
rename from pooch/tests/utils.py
rename to tests/utils.py
index a248ead7..fe0b8a4c 100644
--- a/pooch/tests/utils.py
+++ b/tests/utils.py
@@ -15,8 +15,8 @@
 from pathlib import Path
 from contextlib import contextmanager
 
-from .. import __version__ as full_version
-from ..utils import check_version, get_logger
+from pooch import __version__ as full_version
+from pooch.utils import check_version, get_logger
 
 
 def check_tiny_data(fname):