diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index bf4fd0a..69113a0 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -26,7 +26,7 @@ jobs:
 
     - name: Install build tools
       run: |
-        python -m pip install --upgrade pip wheel setuptools setuptools_scm build twine
+        python -m pip install --upgrade pip build twine
 
       shell: bash
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d17d214..c3a4cf9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,12 +28,12 @@ repos:
     - id: blackdoc
 
 - repo: https://github.com/charliermarsh/ruff-pre-commit
-  rev: v0.0.254
+  rev: v0.0.269
   hooks:
     - id: ruff
 
 - repo: https://github.com/psf/black
-  rev: 23.1.0
+  rev: 23.3.0
   hooks:
   - id: black
     language_version: python3
@@ -51,6 +51,6 @@ repos:
     - id: add-trailing-comma
 
 - repo: https://github.com/tox-dev/pyproject-fmt
-  rev: "0.9.2"
+  rev: "0.11.2"
   hooks:
     - id: pyproject-fmt
diff --git a/oceans/datasets.py b/oceans/datasets.py
index c52ce90..a5848e6 100644
--- a/oceans/datasets.py
+++ b/oceans/datasets.py
@@ -36,6 +36,7 @@ def _woa_url(variable, time_period, resolution):
         warnings.warn(
             f'The variable "{variable}" is only available at 1 degree resolution, '
             f'annual time period, and "{pref}".',
+            stacklevel=2,
         )
         return f"{base}/" f"{pref}/" f"{variable}_annual_1deg.nc"
     else:
diff --git a/oceans/filters.py b/oceans/filters.py
index 691d961..e053b3c 100644
--- a/oceans/filters.py
+++ b/oceans/filters.py
@@ -415,7 +415,10 @@ def medfilt1(x, L=3):
     >>> L = 103
     >>> xout = medfilt1(x=x, L=L)
     >>> ax = plt.subplot(212)
-    >>> (l1, l2,) = ax.plot(
+    >>> (
+    ...     l1,
+    ...     l2,
+    ... ) = ax.plot(
     ...     x
     ... ), ax.plot(xout)
     >>> ax.grid(True)
@@ -461,7 +464,7 @@ def medfilt1(x, L=3):
     Lwing = (L - 1) // 2
 
     # NOTE: Use np.ndenumerate in case I expand to +1D case
-    for i, xi in enumerate(xin):
+    for i, _xi in enumerate(xin):
         if i < Lwing:  # Left boundary.
             xout[i] = np.median(xin[0 : i + Lwing + 1])  # (0 to i + Lwing)
         elif i >= N - Lwing:  # Right boundary.
diff --git a/oceans/ocfis.py b/oceans/ocfis.py
index 138c6c5..43e2173 100644
--- a/oceans/ocfis.py
+++ b/oceans/ocfis.py
@@ -768,7 +768,7 @@ def get_profile(x, y, f, xi, yi, mode="nearest", order=3):
     )
 
     if conditions.any():
-        warnings.warn("Warning! Extrapolation!!")
+        warnings.warn("Warning! Extrapolation!!", stacklevel=2)
 
     dx = x[0, 1] - x[0, 0]
     dy = y[1, 0] - y[0, 0]
diff --git a/oceans/plotting.py b/oceans/plotting.py
index 82b52ee..0dc5519 100644
--- a/oceans/plotting.py
+++ b/oceans/plotting.py
@@ -366,7 +366,7 @@ def key_press_callback(self, event):
                 print("Insert point")  # noqa
             xs = self.points.get_xdata()
             ex, ey = event.xdata, event.ydata
-            for i in range(len(xs) - 1):
+            for _i in range(len(xs) - 1):
                 self.points.set_xdata(np.r_[self.points.get_xdata(), ex])
                 self.points.set_ydata(np.r_[self.points.get_ydata(), ey])
                 self.line.set_data(self.points.get_data())
diff --git a/pyproject.toml b/pyproject.toml
index 3b93b06..b26ae6d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,10 +11,19 @@ name = "oceans"
 description = "Misc functions for oceanographic data analysis"
 readme = "README.md"
 license = {file = "LICENSE.txt"}
-authors = [
-    {name = "André Palóczy, Arnaldo Russo, Filipe Fernandes"},
+maintainers = [
+    {name = "André Palóczy"},
+    {name = "Arnaldo Russo"},
+    {name = "Filipe Fernandes"},
 ]
 requires-python = ">=3.8"
+classifiers = [
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+]
 dynamic = [
   "version",
 ]
@@ -58,15 +67,23 @@ markers = [
 
 [tool.ruff]
 select = [
+    "A", # flake8-builtins
+    "B", # flake8-bugbear
+    "C4", # flake8-comprehensions
     "F", # flakes
     "I", # import sorting
-    "U", # upgrade
+    "T20", # flake8-print
+    "UP", # upgrade
 ]
 target-version = "py311"
 line-length = 79
+ignore = [
+    "B905",  # zip ztrict arg, enable only for py310
+]
 
 [tool.ruff.per-file-ignores]
-"docs/conf.py" = ["E402"]
+"docs/source/conf.py" = ["E402", "A001"]
+"oceans/plotting.py" = ["T201"]  # `print` found
 
 [tool.interrogate]
 ignore-init-method = true
@@ -76,7 +93,7 @@ ignore-semiprivate = false
 ignore-private = false
 ignore-module = false
 fail-under = 95
-exclude = ["setup.py", "docs", "tests"]
+exclude = ["docs", "tests"]
 verbose = 1
 quiet = false
 color = true