diff --git a/pixi.lock b/pixi.lock
index 7130fb2..467c1fd 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -5269,7 +5269,7 @@ packages:
 - pypi: ./
   name: pyml-cli
   version: 0.1.5
-  sha256: 9393ff083d5153e417bbf55fdf0c6c4ad6031f6214156f7c97d9cadb1a202639
+  sha256: f1f1b61ac095d7620f681f9ba059b61f8e1a282d4ebaa2a4b6920a8ee81a0ea5
   requires_dist:
   - matplotlib
   - pandas
diff --git a/pyproject.toml b/pyproject.toml
index ab57d0b..f2f6e4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -113,6 +113,7 @@ cookiecutter = ">=2.6.0,<3"
 sh = "==2.1"
 marimo = ">=0.18.4,<0.19"
 "ruamel.yaml" = ">=0.18.17,<0.19"
+yaml = ">=0.2.5,<0.3"
 
 # NOTE: Testing dependencies (not needed for running program) go here.
 [tool.pixi.feature.tests.dependencies]