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 b6f4ce09d851..0807ee9909d5 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -213,10 +213,10 @@
   };
 
   cairo = {
-    version = "0-unstable-2025-09-14";
+    version = "0-unstable-2026-06-14";
     url = "github:starkware-libs/tree-sitter-cairo";
-    rev = "8dcd77dbe7f68b2cc661031dff224dfc17bdbaf4";
-    hash = "sha256-RzxmMV0Uo4N25QuhMaTJHCA0sLE/51cfhd25LYFlFog=";
+    rev = "b04ffb8c10a1a9faaea71a6757753fed4e1fcbfb";
+    hash = "sha256-XMv3E/QVL3JroaHUc+ao7bfINB+q1J78hfttXk3GtS4=";
     meta = {
       license = lib.licenses.asl20;
       maintainers = with lib.maintainers; [