diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 51ef2e3..005769b 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -2,6 +2,9 @@ name: Lint
 
 on: [push]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -10,22 +13,20 @@ jobs:
         python-version: ["3.9", "3.11"]
     steps:
     - uses: actions/checkout@v4
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-        cache: pip
-        cache-dependency-path: requirements-dev.txt
+
     - name: Install dependencies
       run: |
-        pip install -r requirements-dev.txt
-        pip install ruff
+        pip install ruff mypy --upgrade
+
     - name: ruff
       run: |
         ruff check .
         ruff format --check .
+
     - name: mypy
-      run: |
-        mypy --version
-        rm -rf .mypy_cache
-        mypy $(find . -name "*.py" | xargs)
+      run: mypy ${{ github.event.repository.name }}
diff --git a/.mypy.ini b/.mypy.ini
deleted file mode 100644
index 312c11a..0000000
--- a/.mypy.ini
+++ /dev/null
@@ -1,16 +0,0 @@
-[mypy]
-
-[mypy-ovito.*]
-ignore_missing_imports = True
-[mypy-lammps.*]
-ignore_missing_imports = True
-[mypy-setuptools.*]
-ignore_missing_imports = True
-[mypy-seaborn.*]
-ignore_missing_imports = True
-[mypy-mpi4py.*]
-ignore_missing_imports = True
-[mypy-pymatgen.*]
-ignore_missing_imports = True
-[mypy-ruamel.*]
-ignore_missing_imports = True
diff --git a/pyproject.toml b/pyproject.toml
index 9aff12f..cdbfae2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ version = "0.0.3"
 description = "Analysis tool for simulations of grain boundaries and interfaces"
 authors = [{name = "Alexander Bonkowski", email = "alexander.bonkowski@rwth-aachen.de"}]
 maintainers = [{name = "Alexander Bonkowski"}]
-dependencies = ["numpy", "pandas", "scipy"]
+dependencies = ["numpy", "pandas", "scipy", "seaborn"]
 requires-python = ">=3.8"
 readme = "README.md"
 license = {file = "LICENSE"}
@@ -77,6 +77,9 @@ lint.ignore = [
 lint.pydocstyle.convention = "google"
 lint.isort.required-imports = ["from __future__ import annotations"]
 
+[tool.mypy]
+ignore_missing_imports = true
+
 [tool.codespell]
 ignore-words-list = """
 cna
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ae5f19a..1422f48 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,11 +1,7 @@
-ovito
-Pyside6<=6.7.0
-pymatgen
 ase
-black
-pylint
 mypy
+ovito
+pymatgen
+Pyside6<=6.7.0
 pytest
-data-science-types
-pydocstyle
-flake8
+ruff
diff --git a/requirements.txt b/requirements.txt
index 4f374c5..07af6a3 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,4 @@
-matplotlib
-numpy
-scipy
-coverage
-seaborn
-pandas
-jupyter
+numpy==1.26.4
+pandas==2.2.2
+scipy==1.13.0
+seaborn==0.13.2