diff --git a/pyproject.toml b/pyproject.toml
index 662377e..f5d49a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -105,7 +105,7 @@ develop = [
   "hunter<4",
   "mypy==1.6.1",
   "poethepoet<0.25",
-  "pyproject-fmt<1.5",
+  "pyproject-fmt<1.6",
   "ruff==0.1.4",
   "types-requests<2.32",
   "validate-pyproject<0.16",