diff --git a/pyproject.toml b/pyproject.toml
index 8ff9687..49cd21b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -96,7 +96,7 @@ optional-dependencies.develop = [
   "poethepoet<0.30",
   "pyproject-fmt<2.6",
   "ruff<0.8",
-  "validate-pyproject<0.23",
+  "validate-pyproject<0.24",
 ]
 optional-dependencies.doc = [
   "crate-docs-theme>=0.26.5",