diff --git a/pkgs/applications/blockchains/fulcrum/default.nix b/pkgs/applications/blockchains/fulcrum/default.nix
index b52c720267e5..5118f7880721 100644
--- a/pkgs/applications/blockchains/fulcrum/default.nix
+++ b/pkgs/applications/blockchains/fulcrum/default.nix
@@ -8,17 +8,18 @@
   qtbase,
   rocksdb_7_10,
   zeromq,
+  nix-update-script,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "fulcrum";
-  version = "1.11.1";
+  version = "1.12.0.1";
 
   src = fetchFromGitHub {
     owner = "cculianu";
     repo = "Fulcrum";
-    rev = "v${version}";
-    sha256 = "sha256-+hBc7jW1MVLVjYXNOV7QvFJJpZ5RzW5/c9NdqOXrsj0=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-/RlvbZ6/f0Jxj6oCeHjGWqlktvtNUNczOXi2/wYw2LQ=";
   };
 
   nativeBuildInputs = [
@@ -26,8 +27,6 @@ stdenv.mkDerivation rec {
     qmake
   ];
 
-  dontWrapQtApps = true; # no GUI
-
   buildInputs = [
     python3
     qtbase
@@ -35,11 +34,15 @@ stdenv.mkDerivation rec {
     zeromq
   ];
 
-  meta = with lib; {
+  dontWrapQtApps = true; # no GUI
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
     description = "Fast & nimble SPV server for Bitcoin Cash & Bitcoin BTC";
     homepage = "https://github.com/cculianu/Fulcrum";
-    maintainers = with maintainers; [ prusnak ];
-    license = licenses.gpl3Plus;
-    platforms = platforms.unix;
+    maintainers = with lib.maintainers; [ prusnak ];
+    license = lib.licenses.gpl3Plus;
+    platforms = lib.platforms.unix;
   };
-}
+})