diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f33900b..aeee483 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,8 +22,6 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install requirements
-        run: pip install -r requirements.txt
       - name: Install Python package
         run: pip install . -v
       - name: Install pytest testing framework
diff --git a/pyproject.toml b/pyproject.toml
index c45b92c..4498aa2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,13 @@ requires-python = ">=3.8"
 
 urls.homepage = "https://github.com/strawlab/pymvg"
 
+dependencies = [
+    "PyYAML >= 5.1",
+    "numpy",
+    "matplotlib",
+    "multicamselfcal >= 0.2.1",
+]
+
 [build-system]
 requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 5330514..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-PyYAML>=5.1
-numpy
-matplotlib
-multicamselfcal>=0.2.0