diff --git a/package.json b/package.json
index 9a4118d..700f055 100644
--- a/package.json
+++ b/package.json
@@ -15,5 +15,11 @@
   },
   "scripts": {
     "test": "tree-sitter test"
-  }
+  },
+  "tree-sitter": [
+    {
+      "injection-regex": "^(nix-shell)$",
+      "scope": "source.nix_shell"
+    }
+  ]
 }