diff --git a/cratedb_sqlparse_py/pyproject.toml b/cratedb_sqlparse_py/pyproject.toml
index 2cbf96c..eeccc47 100644
--- a/cratedb_sqlparse_py/pyproject.toml
+++ b/cratedb_sqlparse_py/pyproject.toml
@@ -69,7 +69,7 @@ dev = [
   "mypy<1.19",
   "packaging",
   "poethepoet<1",
-  "pyproject-fmt<2.7",
+  "pyproject-fmt<2.9",
   "pytest<9",
   "pytest-cov<8",
   "ruff<0.14",