diff --git a/pkgs/by-name/fl/flashmq/package.nix b/pkgs/by-name/fl/flashmq/package.nix
index affa56aaedea..dcb75fc62b89 100644
--- a/pkgs/by-name/fl/flashmq/package.nix
+++ b/pkgs/by-name/fl/flashmq/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "flashmq";
-  version = "1.21.0";
+  version = "1.21.1";
 
   src = fetchFromGitHub {
     owner = "halfgaar";
     repo = "FlashMQ";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-/nSNWmSR16V1+nXOMIx+TtxtNS9Xk3BJSY4ps+6TwG8=";
+    hash = "sha256-ccTarrInS9Af9fT43dgRTuHVuHbWlYzDAEh31myHUvY=";
   };
 
   nativeBuildInputs = [