diff --git a/languages.toml b/languages.toml
index 4b8299e25349..eff4ca0626ed 100644
--- a/languages.toml
+++ b/languages.toml
@@ -431,6 +431,7 @@ file-types = [
   "ts.map",
   "css.map",
   { glob = ".jslintrc" },
+  "jsonl",
   "jsonld",
   { glob = ".vuerc" },
   { glob = "composer.lock" },