diff --git a/pyproject.toml b/pyproject.toml
index 8661b6e9..ecdec681 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ dependencies = [
     "matplotlib",
     "numpy",
     "pydantic",
+    "toml",
 ]
 
 [project.urls]