diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e27762d..ef416be 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,7 +22,7 @@ repos:
 
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.16.1
+  rev: v0.16.3
   hooks:
     - id: ruff
       args: ["--fix", "--show-fixes"]
@@ -68,7 +68,7 @@ repos:
 
 
 - repo: https://github.com/tox-dev/pyproject-fmt
-  rev: "v2.27.0"
+  rev: "v2.27.1"
   hooks:
     - id: pyproject-fmt
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index b1bd46b..0190a6c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -198,3 +198,7 @@
 
 
 # -- Extension configuration -------------------------------------------------
+# Ignore self-ref URLs
+linkcheck_ignore = [
+    "https://stackoverflow.com/*",
+]
diff --git a/oceans/RPSstuff.py b/oceans/RPSstuff.py
index 3ce4f31..db9d790 100644
--- a/oceans/RPSstuff.py
+++ b/oceans/RPSstuff.py
@@ -62,7 +62,7 @@ def ms2hms(millisecs):
     return hour, mn, sec
 
 
-def julian(y, m=0, d=0, h=0, mi=0, s=0, *, noon=False):  # noqa: PLR0913
+def julian(y, m=0, d=0, h=0, mi=0, s=0, *, noon=False):  # noqa: PLR0917, PLR0913
     """Converts Gregorian calendar dates to Julian dates
 
     USAGE: [j]=julian(y,m,d,h)
diff --git a/oceans/datasets.py b/oceans/datasets.py
index e539113..5b60993 100644
--- a/oceans/datasets.py
+++ b/oceans/datasets.py
@@ -153,7 +153,7 @@ def woa_profile(
 
 
 @functools.lru_cache(maxsize=256)
-def woa_subset(  # noqa: PLR0913
+def woa_subset(  # noqa: PLR0917, PLR0913
     min_lon,
     max_lon,
     min_lat,
diff --git a/oceans/filters.py b/oceans/filters.py
index 63852c1..d97b23f 100644
--- a/oceans/filters.py
+++ b/oceans/filters.py
@@ -138,7 +138,7 @@ def smoo1(datain, window_len=11, window="hanning"):
     return data_out[window_len - 1 : -window_len + 1]
 
 
-def smoo2(A, hei, wid, kind="hann", badflag=-9999, beta=14):  # noqa: ARG001, PLR0915, PLR0913, C901
+def smoo2(A, hei, wid, kind="hann", badflag=-9999, beta=14):  # noqa: ARG001, PLR0917, PLR0915, PLR0913, C901
     """Calculates the smoothed array 'As' from the original array 'A' using the
     specified window of type 'kind' and shape ('hei', 'wid').
 
diff --git a/oceans/ocfis.py b/oceans/ocfis.py
index 496bb0e..ac95f7e 100644
--- a/oceans/ocfis.py
+++ b/oceans/ocfis.py
@@ -676,7 +676,7 @@ def alphanum_key(s):
     return key
 
 
-def get_profile(x, y, f, xi, yi, mode="nearest", order=3):  # noqa: PLR0913
+def get_profile(x, y, f, xi, yi, mode="nearest", order=3):  # noqa: PLR0913, PLR0917
     """Interpolate regular data.
 
     Parameters
diff --git a/oceans/plotting.py b/oceans/plotting.py
index e51c91f..95662e4 100644
--- a/oceans/plotting.py
+++ b/oceans/plotting.py
@@ -209,7 +209,7 @@ class EditPoints:
     >>> _ = ax.set_title("Click and drag a point to move it")
     >>> _ = ax.axis([-2, 2, -2, 2])
 
-    Based on https://matplotlib.org/examples/event_handling/poly_editor.html
+    Based on https://matplotlib.org/stable/gallery/event_handling/poly_editor.html
 
     """
 
diff --git a/oceans/sw_extras/waves.py b/oceans/sw_extras/waves.py
index e104971..8dc0ba8 100644
--- a/oceans/sw_extras/waves.py
+++ b/oceans/sw_extras/waves.py
@@ -82,7 +82,7 @@ class Waves:
 
     """
 
-    def __init__(self, h, T=None, L=None, thetao=None, Ho=None, lat=None):  # noqa: PLR0915, PLR0913, PLR0912, C901
+    def __init__(self, h, T=None, L=None, thetao=None, Ho=None, lat=None):  # noqa: PLR0917, PLR0915, PLR0913, PLR0912, C901
         self.T = np.asarray(T, dtype=np.float64)
         self.L = np.asarray(L, dtype=np.float64)
         self.Ho = np.asarray(Ho, dtype=np.float64)
diff --git a/oceans/synop.py b/oceans/synop.py
index a89581a..5430176 100644
--- a/oceans/synop.py
+++ b/oceans/synop.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 
-def scaloa(xc, yc, x, y, t=None, corrlen=None, err=None, zc=None):  # noqa: PLR0913
+def scaloa(xc, yc, x, y, t=None, corrlen=None, err=None, zc=None):  # noqa: PLR0913, PLR0917
     """Scalar objective analysis.  Interpolates t(x, y) into tp(xc, yc)
     Assumes spatial correlation function to be isotropic and Gaussian in the
     form of: C = (1 - err) * np.exp(-d**2 / corrlen**2) where:
diff --git a/ruff.toml b/ruff.toml
index ac35a0c..40258df 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -3,18 +3,19 @@ line-length = 110
 lint.select = ["ALL"]
 
 lint.ignore = [
-    "COM812",  # missing-trailing-comma
-    "D203",  # 1 blank line required before class docstring
-    "D205",  # 1 blank line required between summary line and description
-    "D213",  # incompatible. Ignoring `multi-line-summary-second-line`
-    "TRY003",  # Avoid specifying long messages outside the exception class
-    "ANN",  # Missing type annotation
-    "D",  # Missing type annotation
-    "N",  # Missing type annotation
-    "PLR2004",  #  Magic value used in comparison
-    "PLC0415",  # `import` should be at the top-level of a file
-    "INP001",  # implicit namespace package
-    "RUF015",  # Prefer `next(...)` over single element slice
+  "ANN",  # Missing type annotation
+  "COM812",  # missing-trailing-comma
+  "CPY001",  # Missing copyright notice at top of file
+  "D",  # Missing type annotation
+  "D203",  # 1 blank line required before class docstring
+  "D205",  # 1 blank line required between summary line and description
+  "D213",  # incompatible. Ignoring `multi-line-summary-second-line`
+  "INP001",  # implicit namespace package
+  "N",  # Missing type annotation
+  "PLC0415",  # `import` should be at the top-level of a file
+  "PLR2004",  #  Magic value used in comparison
+  "RUF015",  # Prefer `next(...)` over single element slice
+  "TRY003",  # Avoid specifying long messages outside the exception class
 ]
 
 [lint.extend-per-file-ignores]
@@ -27,26 +28,26 @@ lint.ignore = [
   "EXE001",  # Shebang is present but file is not executable
 ]
 "test_*.py" = [
-    "ANN001",  # Missing type annotation for function argument
-    "ANN201",  # Missing return type annotation for public function
-    "ANN202",  # Missing return type annotation for private function
-    "INP001",  # File is part of an implicit namespace package
-    "PD901",  # Avoid using the generic variable name `df` for DataFrames
-    "S101",  # Use of assert detected
+  "ANN001",  # Missing type annotation for function argument
+  "ANN201",  # Missing return type annotation for public function
+  "ANN202",  # Missing return type annotation for private function
+  "INP001",  # File is part of an implicit namespace package
+  "PD901",  # Avoid using the generic variable name `df` for DataFrames
+  "S101",  # Use of assert detected
 ]
 # nbqa-ruff acts on converted .py so we cannot glob .ipynb :-/
 # https://github.com/nbQA-dev/nbQA/issues/823
 "notebooks/*" = [
-    "ANN001",  # Missing type annotation for function argument
-    "ANN201",  # Missing return type annotation for public function
-    "B018",  # Found useless expression. Either assign it to a variable or remove it
-    "D100",  # Missing docstring in public module
-    "D103",  # Missing docstring in public function
-    "E402",  # Module level import not at top of file
-    "FBT003",  # Boolean positional value in function call
-    "INP001",  # File is part of an implicit namespace package
-    "PD901",  # Avoid using the generic variable name `df` for DataFrames
-    "T201",  # `print` found"
+  "ANN001",  # Missing type annotation for function argument
+  "ANN201",  # Missing return type annotation for public function
+  "B018",  # Found useless expression. Either assign it to a variable or remove it
+  "D100",  # Missing docstring in public module
+  "D103",  # Missing docstring in public function
+  "E402",  # Module level import not at top of file
+  "FBT003",  # Boolean positional value in function call
+  "INP001",  # File is part of an implicit namespace package
+  "PD901",  # Avoid using the generic variable name `df` for DataFrames
+  "T201",  # `print` found"
 ]
 [lint.pycodestyle]
 max-doc-length = 180