diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 5a3b026bb7..c3c605d0ff 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,6 +1,5 @@
 {
-  # NOTE: hash below is a PLACEHOLDER for the new simplexmq commit - run `update-sha256map` (in `nix develop`) to regenerate from cabal.project, or let `nix build` report the correct hash and paste it here.
-  "https://github.com/simplex-chat/simplexmq.git"."3dd2f746f5d6e8d9f55db2128745797364175fc6" = "0000000000000000000000000000000000000000000000000000";
+  "https://github.com/simplex-chat/simplexmq.git"."3dd2f746f5d6e8d9f55db2128745797364175fc6" = "0fc7iimyxz2i7n1qqqfwg7f72pxz3ihlfrgwv20pvaak7lv74dcv";
   "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";