diff --git a/nostr_core/core_relays.c b/nostr_core/core_relays.c
index dd3dec83..392fee8a 100644
--- a/nostr_core/core_relays.c
+++ b/nostr_core/core_relays.c
@@ -196,7 +196,7 @@ cJSON** synchronous_query_relays_with_progress(
             }
             
             // Try to receive message (short timeout to keep UI responsive)
-            char buffer[8192];
+            char buffer[262144];
             int len = nostr_ws_receive(relay->client, buffer, sizeof(buffer)-1, 50);
             
             if (len > 0) {
@@ -580,7 +580,7 @@ publish_result_t* synchronous_publish_event_with_progress(
             }
             
             // Try to receive message (short timeout to keep UI responsive)
-            char buffer[8192];
+            char buffer[262144];
             int len = nostr_ws_receive(relay->client, buffer, sizeof(buffer)-1, 50);
             
             if (len > 0) {