diff --git a/verifiers/v1/clients/train.py b/verifiers/v1/clients/train.py
index 6ffca79f70..fd49504153 100644
--- a/verifiers/v1/clients/train.py
+++ b/verifiers/v1/clients/train.py
@@ -363,6 +363,7 @@ async def get_response(
         model = body["model"]
         sampling_params = sampling.wire_args()
         chat_template_kwargs = sampling_params.pop("chat_template_kwargs", None)
+        cache_salt = sampling_params.pop("cache_salt", None)
         pool = ElasticRendererPool(
             self.config.renderer_model_name or model,
             self.config.renderer,
@@ -431,6 +432,7 @@ def bridge():
                     prompt_attribution=prompt_attribution,
                     tools=wire_tools,
                     sampling_params=sampling_params,
+                    cache_salt=cache_salt,
                     extra_headers={SESSION_ID_HEADER: session_id}
                     if session_id
                     else None,