diff --git a/pyproject.toml b/pyproject.toml
index fa19554..b535967 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,7 @@ dependencies = [
   "click>7,<9",
   "dbt-core>=1.8,<=1.10",
   "ruamel.yaml~=0.18.7",
+  "ruamel.yaml>=0.17,<0.19",
   "rich>=10",
   "pluggy>=1.5.0,<2",
   "typing-extensions~=4.12.2 ; python_version < '3.10'",