diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4b33da657a56f302a939c62e3341155f5f7f4fb5..f37ae53dae489808bbff21517ac42ccd89ae83f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,8 +9,7 @@ before_script:
   - apt-get install -y libxcb-cursor-dev
   - python -m pip install --upgrade pip
   - python --version
-  - pip install -r requirements.txt
-  - pip install $QT_API
+  - pip install .[$QT_API]
   - git fetch --tags
   # - export CXXFLAGS='--coverage'
   # Install without dependencies to make sure that requirements.txt is up-to-date
@@ -18,7 +17,7 @@ before_script:
   - pip show b_asic
   - export QT_API=$QT_API
   # Install test dependencies
-  - pip install -r requirements_test.txt
+  - pip install .[test]
   - export PYTEST_QT_API=$QT_API
 
 .run-test:
@@ -90,7 +89,7 @@ run-doc-test:
   image: python:3.10
   stage: test
   script:
-    - pip install -r requirements_doc.txt
+    - pip install .[doc]
     - sphinx-build -b html docs_sphinx public
     # Run linting on doc-strings
     - pip install black velin
@@ -110,7 +109,7 @@ pages:
   image: python:3.10
   script:
     - apt-get install --yes optipng
-    - pip install -r requirements_doc.txt
+    - pip install .[doc]
     - sphinx-build -b html docs_sphinx public
   artifacts:
     paths:
diff --git a/pyproject.toml b/pyproject.toml
index bffec3c704e29ea49dca272c30a53871d7e4d777..4250e3beae1e5e5f1c7ac86110d494a2f962867d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,22 @@ dynamic = ["version", "authors"]
 [project.optional-dependencies]
 pyqt6 = ["pyqt6"]
 pyside6 = ["pyside6"]
+test = [
+  "pytest",
+  "pytest-cov",
+  "pytest-qt",
+  "pytest-timeout",
+  "pytest-xvfb",
+  "pytest-xdist",
+]
+doc = [
+  "sphinx",
+  "furo",
+  "numpydoc",
+  "sphinx-gallery",
+  "mplsignal",
+  "sphinx-copybutton",
+]
 
 [tool.setuptools]
 zip-safe = false
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 5fc3bae5b83499ff0df0c2d065c9e05b1aa7e4c4..0000000000000000000000000000000000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-numpy
-qtpy
-graphviz>=0.19
-matplotlib>=3.7
-setuptools_scm[toml]>=6.2
-networkx>=3
-qtawesome
diff --git a/requirements_doc.txt b/requirements_doc.txt
deleted file mode 100644
index 4474f4925f060ee814b5b14cb4af552c7d6b0f8c..0000000000000000000000000000000000000000
--- a/requirements_doc.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-sphinx
-furo
-numpydoc
-sphinx-gallery
-mplsignal
-sphinx-copybutton
diff --git a/requirements_test.txt b/requirements_test.txt
deleted file mode 100644
index 0227dfd78bf4ebc0abed394895fc457fe6175bfe..0000000000000000000000000000000000000000
--- a/requirements_test.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-pytest
-pytest-cov
-pytest-qt
-pytest-timeout
-pytest-xvfb
-pytest-xdist