diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 9be223f..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-covdefaults>=2.1.0
-coverage
-pytest
-pytest-asyncio
diff --git a/setup.cfg b/setup.cfg
index 8bbe6c3..162fabf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,6 +32,13 @@ python_requires = >=3.12
 console_scripts =
     sqlite-export-for-ynab = sqlite_export_for_ynab._main:main
 
+[options.extras_require]
+dev =
+    covdefaults>=2.1.0
+    coverage
+    pytest
+    pytest-asyncio
+
 [options.package_data]
 * = *.sql
 sqlite_export_for_ynab =
@@ -47,7 +54,7 @@ plugins = covdefaults
 envlist = py,pypy3,pre-commit
 
 [testenv]
-deps = -rrequirements-dev.txt
+extras = dev
 commands =
     coverage erase
     coverage run -m pytest {posargs:tests}