diff --git a/pyproject.toml b/pyproject.toml
index ecdec681..5a82c824 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ dependencies = [
     "matplotlib",
     "numpy",
     "pydantic",
+    "yaml",
     "toml",
 ]