diff --git a/pyproject.toml b/pyproject.toml
index 2770d41290..c1eca3b4b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -120,7 +120,7 @@ pudl_check_fks = "pudl.etl.check_foreign_keys:main"
 
 [project.optional-dependencies]
 dev = [
-    "black>=23,<23.11",
+    "black>=23,<23.12",
     "build>=1,<1.1",
     "ipdb>=0.13,<0.14",
     "jedi>=0.18,<0.20",