diff --git a/src/Simplex/Messaging/Agent/Env/SQLite.hs b/src/Simplex/Messaging/Agent/Env/SQLite.hs
index a550394c1..e54ee64b4 100644
--- a/src/Simplex/Messaging/Agent/Env/SQLite.hs
+++ b/src/Simplex/Messaging/Agent/Env/SQLite.hs
@@ -194,7 +194,7 @@ defaultAgentConfig =
       rcvAuthAlg = C.AuthAlg C.SEd25519, -- this will stay as Ed25519
       sndAuthAlg = C.AuthAlg C.SEd25519, -- TODO replace with X25519 when switching to v7
       connIdBytes = 12,
-      tbqSize = 64,
+      tbqSize = 128,
       smpCfg = defaultSMPClientConfig {defaultTransport = (show defaultSMPPort, transport @TLS)},
       ntfCfg = defaultNTFClientConfig {defaultTransport = ("443", transport @TLS)},
       xftpCfg = defaultXFTPClientConfig,
diff --git a/src/Simplex/Messaging/Server/Main.hs b/src/Simplex/Messaging/Server/Main.hs
index 6d7cbccad..a5106c125 100644
--- a/src/Simplex/Messaging/Server/Main.hs
+++ b/src/Simplex/Messaging/Server/Main.hs
@@ -256,7 +256,7 @@ smpServerCLI_ generateSite serveStaticFiles cfgPath logPath =
           ServerConfig
             { transports = iniTransports ini,
               smpHandshakeTimeout = 120000000,
-              tbqSize = 64,
+              tbqSize = 128,
               msgQueueQuota = 128,
               queueIdBytes = 24,
               msgIdBytes = 24, -- must be at least 24 bytes, it is used as 192-bit nonce for XSalsa20