diff --git a/pkgs/applications/blockchains/gridcoin-research/default.nix b/pkgs/applications/blockchains/gridcoin-research/default.nix
index 136800a4eb11..011c3a76818e 100644
--- a/pkgs/applications/blockchains/gridcoin-research/default.nix
+++ b/pkgs/applications/blockchains/gridcoin-research/default.nix
@@ -20,13 +20,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gridcoin-research";
-  version = "5.4.8.0-hotfix-1";
+  version = "5.4.9.0";
 
   src = fetchFromGitHub {
     owner = "gridcoin-community";
     repo = "Gridcoin-Research";
     rev = "${version}";
-    hash = "sha256-e58GJNiZq4LP/HTeveTQD6APeTvUbhUTwMwhU+PiVc0=";
+    hash = "sha256-nupZB4nNbitpf5EBCNy0e+ovjayAszup/r7qxbxA5jI=";
   };
 
   nativeBuildInputs = [