diff --git a/pyproject.toml b/pyproject.toml
index f28033b..c04f072 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,7 +87,7 @@ develop = [
   "black[jupyter]<24",
   "mypy==1.8.0",
   "poethepoet<1",
-  "pyproject-fmt<1.6,>=1.3",
+  "pyproject-fmt>=1.3,<1.7",
   "ruff==0.1.11",
   "validate-pyproject<0.16",
 ]