diff --git a/pkgs/applications/networking/cluster/terragrunt/default.nix b/pkgs/applications/networking/cluster/terragrunt/default.nix
index e78fa38f9093..dee7bc7fe273 100644
--- a/pkgs/applications/networking/cluster/terragrunt/default.nix
+++ b/pkgs/applications/networking/cluster/terragrunt/default.nix
@@ -2,22 +2,20 @@
 
 buildGoModule rec {
   pname = "terragrunt";
-  version = "0.30.3";
+  version = "0.30.6";
 
   src = fetchFromGitHub {
     owner = "gruntwork-io";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-kGeGqn0Jgim3gpZUwhIMPV84XD8yYEyH5YMtzidxWRU=";
+    sha256 = "sha256-McV04oE8/LaH9lOU0aKsmS1KpWUC9I/t59WqAYZrIVY=";
   };
 
   vendorSha256 = "sha256-OgNNq1qRhCufcWemLxh50pzs432RxZpWWcyBB7xeiOs=";
 
   doCheck = false;
 
-  preBuild = ''
-    buildFlagsArray+=("-ldflags" "-s -w -X main.VERSION=v${version}")
-  '';
+  ldflags = [ "-s" "-w" "-X main.VERSION=v${version}" ];
 
   doInstallCheck = true;
   installCheckPhase = ''