diff --git a/pkgs/development/tools/parsing/tree-sitter/grammars/default.nix b/pkgs/development/tools/parsing/tree-sitter/grammars/default.nix
index c61bb8046e91a..82437c2b95041 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/default.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/default.nix
@@ -10,7 +10,7 @@ let
   /**
     Set of grammar sources. See ./grammar-sources.nix to define a new grammar.
   */
-  grammar-sources = import ./grammar-sources.nix;
+  grammar-sources = import ./grammar-sources.nix { inherit lib; };
 
   /**
     Parse a flakeref style string to { type, owner, repo, ref }
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 2fa19af65f72b..42a7e269cbd90 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -1,3 +1,5 @@
+{ lib }:
+
 {
   bash = {
     version = "0.23.3";
@@ -527,6 +529,18 @@
     hash = "sha256-mJ/bj09mT1WTaiKoXiRXDM7dkenf5hv2ArXieeTVe6I=";
   };
 
+  qmljs = rec {
+    version = "0.3.0";
+    url = "github:yuja/tree-sitter-qmljs?ref=${version}";
+    hash = "sha256-tV4lipey+OAQwygRFp9lQAzgCNiZzSu7p3Mr6CCBH1g=";
+    meta = {
+      license = lib.licenses.mit;
+      maintainers = with lib.maintainers; [
+        jaredmontoya
+      ];
+    };
+  };
+
   query = {
     version = "0.5.0";
     url = "github:nvim-treesitter/tree-sitter-query";