diff --git a/make_post_sell/models/shop.py b/make_post_sell/models/shop.py
index ef0dc6a..69437a0 100644
--- a/make_post_sell/models/shop.py
+++ b/make_post_sell/models/shop.py
@@ -1,6 +1,7 @@
 import json
 import logging
 import threading
+import time
 import uuid
 
 from sqlalchemy import Column, BigInteger, Boolean, Unicode, UnicodeText, func
@@ -665,6 +666,8 @@ def compute_discovery_ring(shop):
                 score = len(accumulated_stems & p_stems) / len(union)
             else:
                 score = 0
+            # Yield GIL so uwsgi workers can serve requests
+            time.sleep(0)
 
             # Tiebreak: highest score, then newest, then ID
             if (score > best_score or