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 818a738254e5..2282eced7c85 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -606,9 +606,9 @@
   };
 
   elm = {
-    version = "5.9.2";
+    version = "5.9.4";
     url = "github:elm-tooling/tree-sitter-elm";
-    hash = "sha256-NJRmII48Zo2xKxZmL88Dxskf352fGaCp8B14+x1XJHw=";
+    hash = "sha256-HFfpwThgWdd+pz8Ub042pKDKyFcuokHRGljhZ2xZFQU=";
     meta = {
       license = lib.licenses.mit;
     };