diff --git a/cratedb_sqlparse_py/pyproject.toml b/cratedb_sqlparse_py/pyproject.toml
index f5a4660..3180dea 100644
--- a/cratedb_sqlparse_py/pyproject.toml
+++ b/cratedb_sqlparse_py/pyproject.toml
@@ -80,7 +80,7 @@ dependencies = [
 develop = [
   "mypy<1.14",
   "poethepoet<0.30",
-  "pyproject-fmt<2.5",
+  "pyproject-fmt<2.6",
   "ruff<0.8",
   "validate-pyproject<0.23",
 ]