diff --git a/pyproject.toml b/pyproject.toml
index 2b77c14..7dcb349 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,6 +104,7 @@ ignore = [
     "I001",     # unsorted-imports
     "N806",     # non-lowercase-variable-in-function
     "N803",     # non-lowercase-argument
+    "PLC0415",  # import-outside-top-level
     "PLR0911",  # too-many-return-statements
     "PLR0912",  # too-many-branches
     "PLR0913",  # too-many-arguments
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4b4fe6d..b79ad74 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,13 +8,13 @@ build==1.0.3
     # via pip-tools
 click==8.1.7
     # via pip-tools
-contourpy==1.1.1
+contourpy==1.2.0
     # via matplotlib
 cycler==0.12.1
     # via matplotlib
 differint==1.0.0
     # via pycaputo (pyproject.toml)
-fonttools==4.43.1
+fonttools==4.44.0
     # via matplotlib
 iniconfig==2.0.0
     # via pytest
@@ -65,7 +65,7 @@ python-dateutil==2.8.2
     # via matplotlib
 rich==13.6.0
     # via pycaputo (pyproject.toml)
-ruff==0.1.3
+ruff==0.1.4
     # via pycaputo (pyproject.toml)
 scipy==1.11.3
     # via pycaputo (pyproject.toml)