diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 56794f9..abb783d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,8 +26,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install .
-          pip install -r requirements-dev.txt
+          pip install .[dev]
 
       - name: Run tests and collect coverage
         run: |
diff --git a/.gitpod.yml b/.gitpod.yml
index 46f17f7..1401a11 100644
--- a/.gitpod.yml
+++ b/.gitpod.yml
@@ -7,5 +7,4 @@
 tasks:
   - init: |
       python -m pip install --upgrade pip
-      pip install .
-      pip install -r requirements-dev.txt
+      pip install .[dev]
diff --git a/pyproject.toml b/pyproject.toml
index ebb4401..5aa0418 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,8 +44,12 @@ clang-tidy-hook = "cpp_linter_hooks.clang_tidy:main"
 source =  "https://github.com/cpp-linter/cpp-linter-hooks"
 tracker = "https://github.com/cpp-linter/cpp-linter-hooks/issues"
 
-# ... other project metadata fields as specified in:
-#     https://packaging.python.org/en/latest/specifications/declaring-project-metadata/
+[project.optional-dependencies]
+dev = [
+    "coverage",
+    "pre-commit",
+    "pytest",
+]
 
 [tool.setuptools]
 zip-safe = false
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index 4dbfffa..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-coverage
-pre-commit
-pytest