diff --git a/pkgs/by-name/ni/nixtamal/package.nix b/pkgs/by-name/ni/nixtamal/package.nix
index 4e3a206bcb08..057f38aeb3b2 100644
--- a/pkgs/by-name/ni/nixtamal/package.nix
+++ b/pkgs/by-name/ni/nixtamal/package.nix
@@ -21,7 +21,7 @@
 
 ocamlPackages.buildDunePackage (finalAttrs: {
   pname = "nixtamal";
-  version = "1.9.0";
+  version = "1.9.1";
   release_year = 2026;
 
   minimalOCamlVersion = "5.3";
@@ -30,7 +30,7 @@ ocamlPackages.buildDunePackage (finalAttrs: {
     url = "https://darcs.toastal.in.th/nixtamal/stable/";
     mirrors = [ "https://smeder.ee/~toastal/nixtamal.darcs" ];
     rev = finalAttrs.version;
-    hash = "sha256-Uybm9zTxIMFq82A4eCayeFCia/uW7HjhIquvO9LTfjE=";
+    hash = "sha256-Fadyi8BbGnQe/r84ZHXtuOEs+aZVwuQ/eTVlqLVN/KE=";
   };
 
   nativeBuildInputs = [