diff --git a/cabal.project b/cabal.project
index 5ab8aeda55..2ba1eff9ee 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: 99e59b73a32400067a8ac630ca4ad27f27bba0ef
+    tag: 85a7fbf5381e71e605757e399791db9d58b71a1d
 
 source-repository-package
     type: git
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 1cfb937dea..0b0e810586 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."99e59b73a32400067a8ac630ca4ad27f27bba0ef" = "04cj3m5ykw0gaqhnj2i25ny8zi312zng5nlya30ia4dr2wz2n0rz";
+  "https://github.com/simplex-chat/simplexmq.git"."85a7fbf5381e71e605757e399791db9d58b71a1d" = "01iax6vgm0m30j4m4brp4i8nnla484ni75g0vpf9cglrajiv0qav";
   "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/simplex-chat.cabal b/simplex-chat.cabal
index 75e819a727..63e9208699 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -5,7 +5,7 @@ cabal-version: 1.12
 -- see: https://github.com/sol/hpack
 
 name:           simplex-chat
-version:        6.4.0.5.1
+version:        6.4.0.6
 category:       Web, System, Services, Cryptography
 homepage:       https://github.com/simplex-chat/simplex-chat#readme
 author:         simplex.chat