diff --git a/pkgs/by-name/ta/taskflow/package.nix b/pkgs/by-name/ta/taskflow/package.nix
index cfe18e3c20a6..14e3cb8176e2 100644
--- a/pkgs/by-name/ta/taskflow/package.nix
+++ b/pkgs/by-name/ta/taskflow/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "taskflow";
-  version = "3.11.0";
+  version = "4.0.0";
 
   src = fetchFromGitHub {
     owner = "taskflow";
     repo = "taskflow";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-GIP/69JlygdmryRA4uiyXM3FZZ0wkvP3DceYGkn4+QY=";
+    hash = "sha256-cWnKA6tCsKRfkleBJ38NRP2ciJu4sHtyTS8y5bBTfcA=";
   };
 
   patches = [