diff --git a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
index deb83424cf49..52cda04c8c80 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -3190,10 +3190,12 @@
   };
 
   yuck = {
-    version = "0.0.2-unstable-2024-05-05";
-    url = "github:Philipp-M/tree-sitter-yuck";
-    rev = "e877f6ade4b77d5ef8787075141053631ba12318";
-    hash = "sha256-l8c1/7q8S78jGyl+VAVVgs8wq58PrrjycyJfWXsCgAI=";
+    version = "0.0.2-unstable-2026-04-03";
+    url = "github:tree-sitter-grammars/tree-sitter-yuck";
+    rev = "6c60112b3b3e739fb1ca4a8ea4bea2b6ffe11318";
+    hash = "sha256-ZbUN9lv2nGgpQ0rU+H38gSCdCSav//47ESHXDMuQX7c=";
+    # Fails strict schema validation due to empty string properties
+    excludeBrokenTreeSitterJson = true;
     meta = {
       license = lib.licenses.mit;
       maintainers = with lib.maintainers; [