diff --git a/tradein-mvp/backend/app/services/sber_index.py b/tradein-mvp/backend/app/services/sber_index.py
index 3554a0a7..64f9bd57 100644
--- a/tradein-mvp/backend/app/services/sber_index.py
+++ b/tradein-mvp/backend/app/services/sber_index.py
@@ -307,7 +307,14 @@ async def pull_sber_indices(
 
     counters: dict[str, int] = {"upserted": 0, "skipped": 0, "errors": 0}
 
-    async with httpx.AsyncClient(timeout=SBER_HTTP_TIMEOUT) as client:
+    # #922: sberindex.ru serves an INCOMPLETE TLS chain — it sends only the leaf
+    # certificate and omits the Let's Encrypt intermediate (R13), so cert
+    # verification fails with "unable to get local issuer certificate" (verify
+    # code 21) even against a full system/certifi trust store. This is a
+    # server-side misconfiguration outside our control. The endpoint is public,
+    # unauthenticated, non-sensitive open data, so we skip TLS verification here
+    # rather than pin a Let's Encrypt intermediate that rotates (R10–R14+).
+    async with httpx.AsyncClient(timeout=SBER_HTTP_TIMEOUT, verify=False) as client:
         for ref_area, _city_hint in cities.items():
             for dashboard in dashboards:
                 try: