diff --git a/pixi.toml b/pixi.toml
index 114ac53..9d26ecf 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -14,7 +14,7 @@ conda-standalone = "*"
 jinja2 = "*"
 jsonschema = ">=4"
 pillow = ">=3.1"
-"ruamel.yaml" = ">=0.11.14,<0.19"
+"ruamel.yaml" = ">=0.19.1,<0.20"
 
 [pypi-dependencies]
 constructor = { git = "https://github.com/chrisburr/constructor.git", branch = "fix/mkdir-conda-guard" }