diff --git a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
index 905c0625cd70..78e3cbc41e04 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -794,10 +794,10 @@
   };
 
   ghostty = {
-    version = "1.2-unstable-2026-01-02";
+    version = "1.3.0-unstable-2026-04-24";
     url = "github:bezhermoso/tree-sitter-ghostty";
-    rev = "c14d6cb4dd36ff9dd569978491aa52e4726cbe86";
-    hash = "sha256-sVPr8jR6z0G68z3ZTdlMOXWguNGbZ/5apffNefm9apU=";
+    rev = "753055073a26100e51bdf1a92f4234cd6789c1f9";
+    hash = "sha256-+zy5dqyHUOC6Li31U6/GOAfqPSLZRKfpnyjKgtFSFeM=";
     meta = {
       license = lib.licenses.mit;
       maintainers = with lib.maintainers; [