diff --git a/dev-requirements.txt b/dev-requirements.txt
index dff2f5c..f9d2ef5 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -10,7 +10,7 @@ beautifulsoup4==4.12.2
     # via
     #   -c requirements.txt
     #   mkdocs-htmlproofer-plugin
-black==23.9.1
+black==23.10.1
     # via -r dev-requirements.in
 certifi==2021.10.8
     # via requests
@@ -26,6 +26,8 @@ coverage[toml]==6.3.2
     # via pytest-cov
 distlib==0.3.4
     # via virtualenv
+exceptiongroup==1.1.3
+    # via pytest
 filelock==3.6.0
     # via
     #   tox
@@ -49,6 +51,10 @@ griffe==0.12.6
     # via mkdocstrings-python
 idna==3.3
     # via requests
+importlib-metadata==6.8.0
+    # via
+    #   markdown
+    #   mkdocs
 iniconfig==1.1.1
     # via pytest
 isort==5.10.1
@@ -167,14 +173,23 @@ six==1.16.0
 soupsieve==2.3.1
     # via beautifulsoup4
 tomli==2.0.1
-    # via coverage
+    # via
+    #   black
+    #   coverage
+    #   mypy
+    #   pytest
+    #   tox
 tox==3.27.1
     # via -r dev-requirements.in
 typing-extensions==4.1.1
-    # via mypy
+    # via
+    #   black
+    #   mypy
 urllib3==1.26.8
     # via requests
 virtualenv==20.13.1
     # via tox
 watchdog==2.1.6
     # via mkdocs
+zipp==3.17.0
+    # via importlib-metadata