diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3119f405..a26f845e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ attrs==23.1.0
     # via
     #   hypothesis
     #   pytest
-black==23.10.1
+black==23.11.0
     # via pdoc (pyproject.toml)
 cachetools==5.3.2
     # via tox
@@ -26,7 +26,7 @@ filelock==3.13.1
     # via
     #   tox
     #   virtualenv
-hypothesis==6.88.1
+hypothesis==6.91.0
     # via pdoc (pyproject.toml)
 iniconfig==2.0.0
     # via pytest
@@ -36,7 +36,7 @@ markupsafe==2.1.3
     # via
     #   jinja2
     #   pdoc (pyproject.toml)
-mypy==1.6.1
+mypy==1.7.1
     # via pdoc (pyproject.toml)
 mypy-extensions==1.0.0
     # via
@@ -50,7 +50,7 @@ packaging==23.2
     #   tox
 pathspec==0.11.2
     # via black
-platformdirs==3.11.0
+platformdirs==4.0.0
     # via
     #   black
     #   tox
@@ -59,7 +59,7 @@ pluggy==1.3.0
     # via
     #   pytest
     #   tox
-pygments==2.16.1
+pygments==2.17.2
     # via pdoc (pyproject.toml)
 pyproject-api==1.6.1
     # via tox
@@ -72,21 +72,21 @@ pytest-cov==4.1.0
     # via pdoc (pyproject.toml)
 pytest-timeout==2.2.0
     # via pdoc (pyproject.toml)
-ruff==0.1.3
+ruff==0.1.6
     # via pdoc (pyproject.toml)
 sortedcontainers==2.4.0
     # via hypothesis
-tox==4.11.3
+tox==4.11.4
     # via pdoc (pyproject.toml)
 types-docutils==0.20.0.3
     # via
     #   types-pygments
     #   types-setuptools
-types-pygments==2.16.0.0
+types-pygments==2.17.0.0
     # via pdoc (pyproject.toml)
-types-setuptools==68.2.0.0
+types-setuptools==69.0.0.0
     # via types-pygments
 typing-extensions==4.8.0
     # via mypy
-virtualenv==20.24.6
+virtualenv==20.24.7
     # via tox