diff --git a/pkgs/applications/blockchains/fulcrum/default.nix b/pkgs/applications/blockchains/fulcrum/default.nix
index 28571a57e1a0..4676eb5b7766 100644
--- a/pkgs/applications/blockchains/fulcrum/default.nix
+++ b/pkgs/applications/blockchains/fulcrum/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "fulcrum";
-  version = "1.9.0";
+  version = "1.9.1";
 
   src = fetchFromGitHub {
     owner = "cculianu";
     repo = "Fulcrum";
     rev = "v${version}";
-    sha256 = "sha256-HAA5YRShLzxVP9aIP1RdDH09cZqjiZhZOxxc2EVGvx8=";
+    sha256 = "sha256-guvOs/HsSuj5QOMTzmKxMaC8iUyTkVgEpp8pQ63aIIQ=";
   };
 
   nativeBuildInputs = [ pkg-config qmake ];