diff --git a/requirements/dev.txt b/requirements/dev.txt
index 0f373223..7c3594ca 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -8,7 +8,7 @@ attrs==23.2.0
     # via
     #   jsonschema
     #   referencing
-black==24.3.0
+black==24.4.0
     # via -r requirements/dev.in
 cachetools==5.3.3
     # via tox
@@ -104,6 +104,7 @@ markupsafe==2.1.5
     # via
     #   -r requirements/prod.txt
     #   jinja2
+    #   mkdocs
 mergedeep==1.3.4
     # via mkdocs
 mkdocs==1.5.3
@@ -128,12 +129,15 @@ packaging==24.0
     #   pytest
     #   tox
 pathspec==0.12.1
-    # via black
+    # via
+    #   black
+    #   mkdocs
 pkgutil-resolve-name==1.3.10
     # via jsonschema
 platformdirs==4.2.0
     # via
     #   black
+    #   mkdocs
     #   tox
     #   virtualenv
 pluggy==1.4.0