diff --git a/prompts/pipeline-dnd/analyze/scene_map/scene_map.yml b/prompts/pipeline-dnd/analyze/scene_map/scene_map.yml
index dbf99e9..a44360d 100644
--- a/prompts/pipeline-dnd/analyze/scene_map/scene_map.yml
+++ b/prompts/pipeline-dnd/analyze/scene_map/scene_map.yml
@@ -10,11 +10,17 @@ inputs:
 messages:
   - role: system
     content_file: ../common/transcript.system.md
+    cache_control:
+      type: ephemeral
+      ttl: 5m
   - role: user
     content: |
       <<<CURRENT_SESSION_TRANSCRIPT
       {{input "transcript"}}
       CURRENT_SESSION_TRANSCRIPT>>>
+    cache_control:
+      type: ephemeral
+      ttl: 5m
   - role: user
     content_file: ./scene_map.task.md
   - role: user