diff --git a/pkgs/by-name/rm/rmg/package.nix b/pkgs/by-name/rm/rmg/package.nix
index 09a774b1f482..da1120e9b9f0 100644
--- a/pkgs/by-name/rm/rmg/package.nix
+++ b/pkgs/by-name/rm/rmg/package.nix
@@ -26,13 +26,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "rmg";
-  version = "0.5.5";
+  version = "0.5.6";
 
   src = fetchFromGitHub {
     owner = "Rosalie241";
     repo = "RMG";
     rev = "v${version}";
-    hash = "sha256-au5GDyfW9+drkDNBWNbPY5Bgbow/hQmvP5pWJsYKbYs=";
+    hash = "sha256-2MrqHSz76gPqU7ajccHUhbyf4lYuDraxdMnifbtQ0o8=";
   };
 
   nativeBuildInputs = [