diff --git a/cs-config/cs_config/functions.py b/cs-config/cs_config/functions.py
index 52adee73..a6c2db4b 100644
--- a/cs-config/cs_config/functions.py
+++ b/cs-config/cs_config/functions.py
@@ -264,7 +264,7 @@ def run_model(meta_param_dict, adjustment):
         call_tc=True,
         iit_reform=iit_mods,
         data=data,
-        gfactors=GrowFactors.FILE_NAME,
+        gfactors=GrowFactors.FILE_PATH,
         weights=weights,
         records_start_year=records_start_year,
     )
diff --git a/environment.yml b/environment.yml
index 5807648b..d0e0d961 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
 dependencies:
 - python
 - "taxcalc>=3.1.0"
-- "paramtools>=0.18.0"
+- "paramtools>=0.18.3"
 - "pandas>=2.2.0"
 - bokeh>=3.1.1
 - setuptools