diff --git a/pkgs/development/tools/ytt/default.nix b/pkgs/development/tools/ytt/default.nix
index 4bb1572cdbe..eda1f39751d 100644
--- a/pkgs/development/tools/ytt/default.nix
+++ b/pkgs/development/tools/ytt/default.nix
@@ -1,16 +1,16 @@
 { lib, buildGoModule, fetchFromGitHub }:
 buildGoModule rec {
   pname = "ytt";
-  version = "0.45.0";
+  version = "0.45.1";
 
   src = fetchFromGitHub {
     owner = "vmware-tanzu";
     repo = "carvel-ytt";
     rev = "v${version}";
-    sha256 = "sha256-G8rQEDVTv3e5YFwKSL7Rd1Is1kjBl08DL4Kl6H8aa68=";
+    sha256 = "sha256-YfRr3oQUuDGVrQvfUzqld4SNWOsmGP4jmo5gf8tG6Vo=";
   };
 
-  vendorSha256 = null;
+  vendorHash = null;
 
   ldflags = [
     "-X github.com/vmware-tanzu/carvel-ytt/pkg/version.Version=${version}"