diff --git a/pkgs/applications/networking/cluster/aiac/default.nix b/pkgs/applications/networking/cluster/aiac/default.nix
index 92f04fa88815..8b9b3fcc8b7a 100644
--- a/pkgs/applications/networking/cluster/aiac/default.nix
+++ b/pkgs/applications/networking/cluster/aiac/default.nix
@@ -2,18 +2,18 @@
 
 buildGoModule rec {
   pname = "aiac";
-  version = "2.5.0";
+  version = "4.0.0";
   excludedPackages = [".ci"];
 
   src = fetchFromGitHub {
     owner = "gofireflyio";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-BCcoMftnvfAqmabnSz/oRAlJg95KJ236mduxV2DfRG4=";
+    hash = "sha256-OXqHZlVo1rFt/hJbc14faXTbckLx9CvsL131qj6G1dw=";
   };
 
-  vendorHash = "sha256-Uqr9wH7hCLdZEu6DXddgB7NuLtqcjUbOPJ2YX+9ehKM=";
-  ldflags = [ "-s" "-w" "-X github.com/gofireflyio/aiac/v3/libaiac.Version=v${version}" ];
+  vendorHash = "sha256-JWQQUB4/yIDGzWeshtcWnkXQS7jYcDHwG/tef6sBizQ=";
+  ldflags = [ "-s" "-w" "-X github.com/gofireflyio/aiac/v4/libaiac.Version=v${version}" ];
 
   meta = with lib; {
     description = ''Artificial Intelligence Infrastructure-as-Code Generator.'';