diff --git a/cabal.project b/cabal.project
index ff3f05eadc..a3d8c16890 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,7 +12,7 @@ constraints: zip +disable-bzip2 +disable-zstd
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: 853d9bcc6ff3438f5dd4aa648103829dc8056f3c
+    tag: bb1d31e459337f5d2de05f4495ff50d0a8788dff
 
 source-repository-package
     type: git
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 563dfc562a..b3858de700 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."853d9bcc6ff3438f5dd4aa648103829dc8056f3c" = "0r4mjwcw0wjdr97xma6s2j866n5s6rz33vgigi1vj3x74bmh7k9f";
+  "https://github.com/simplex-chat/simplexmq.git"."bb1d31e459337f5d2de05f4495ff50d0a8788dff" = "1nbd80anzh2k5hnf330vlcda0zdn2lzlcnjmi3qz2jdkmmzcc3b6";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "1ql13f4kfwkbaq7nygkxgw84213i0zm7c1a8hwvramayxl38dq5d";
   "https://github.com/simplex-chat/sqlcipher-simple.git"."a46bd361a19376c5211f1058908fc0ae6bf42446" = "1z0r78d8f0812kxbgsm735qf6xx8lvaz27k1a0b4a2m0sshpd5gl";
diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index d0eafd8927..045d1b9deb 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -424,7 +424,7 @@ subscribeUsers onlyNeeded users = do
   subscribe vr us'
   where
     subscribe :: VersionRangeChat -> [User] -> CM' ()
-    subscribe vr = mapM_ $ runExceptT . subscribeUserConnections vr onlyNeeded
+    subscribe vr = mapM_ $ runExceptT . subscribeUserConnections vr onlyNeeded Agent.subscribeConnections
 
 startFilesToReceive :: [User] -> CM' ()
 startFilesToReceive users = do
@@ -3379,9 +3379,12 @@ agentSubscriber = do
       where
         run action = action `catchChatError'` (toView' . CRChatError Nothing)
 
-subscribeUserConnections :: VersionRangeChat -> Bool -> User -> CM ()
-subscribeUserConnections vr onlyNeeded user = do
+type AgentBatchSubscribe = AgentClient -> [ConnId] -> ExceptT AgentErrorType IO (Map ConnId (Either AgentErrorType ()))
+
+subscribeUserConnections :: VersionRangeChat -> Bool -> AgentBatchSubscribe -> User -> CM ()
+subscribeUserConnections vr onlyNeeded agentBatchSubscribe user = do
   -- get user connections
+  ce <- asks $ subscriptionEvents . config
   (conns, ctConns, ucs, gs, mConns, sfts, rfts, pcConns) <-
     if onlyNeeded
       then do
@@ -3400,9 +3403,9 @@ subscribeUserConnections vr onlyNeeded user = do
         pure (conns, ctConns, ucs, gs, mConns, sfts, rfts, pcConns)
   -- detach subscription and result processing
   void . lift . forkIO . runSubscriber $ do
-    rs <- withAgent (`Agent.subscribeConnections` conns) -- subscribe using batched commands
+    -- subscribe using batched commands
+    rs <- withAgent $ \a -> agentBatchSubscribe a conns
     let (errs, _oks) = M.mapEither id rs
-    ce <- asks $ subscriptionEvents . config
     refs <- if ce then withStore' $ \db -> getConnectionsContacts db (M.keys errs) else pure []
     let connRefs = M.fromList $ map (\ContactRef {agentConnId = AgentConnId acId, localDisplayName} -> (acId, localDisplayName)) refs
     contactSubsToView errs ctConns connRefs ce