diff --git a/docker-compose.yml b/docker-compose.yml
index e914cc91..5593a105 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -97,7 +97,7 @@ services:
       DETECTOR_BATCH_SIZE: "8"
       OCR_CLAHE_CLIP_LIMIT: "2.0"   # CLAHE contrast limit (multiplier of average histogram frequency)
       OCR_CLAHE_TILE_SIZE: "8"      # CLAHE tile grid size (NxN tiles per page)
-      OCR_MAX_CACHED_MODELS: "5"    # LRU cache size for per-sender Kraken models
+      OCR_MAX_CACHED_MODELS: "2"    # LRU cache; each model ~500 MB, so 2 = ~1 GB resident
     networks:
       - archive-net
     healthcheck: