diff --git a/tox.ini b/tox.ini
index 37ece7d..4a4eb17 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,7 @@ allowlist_externals =
 description = Check the formatting for the source files
 deps =
     flake8
-    black>=23, <24
+    black>=24, <25
 commands =
     flake8 sambacc tests
     black --check -v .
@@ -62,7 +62,7 @@ commands =
 [testenv:schemacheck]
 description = Check the JSON Schema files are valid
 deps =
-    black>=23, <24
+    black>=24, <25
     PyYAML
 commands =
     python -m sambacc.schema.tool
@@ -70,7 +70,7 @@ commands =
 [testenv:schemaupdate]
 description = Regenerate source files from JSON Schema file(s)
 deps =
-    black>=23, <24
+    black>=24, <25
     PyYAML
 commands =
     python -m sambacc.schema.tool --update