diff --git a/crates/grammars/src/json/config.toml b/crates/grammars/src/json/config.toml
index 4b7f84d6f5..f3e228b55b 100644
--- a/crates/grammars/src/json/config.toml
+++ b/crates/grammars/src/json/config.toml
@@ -1,6 +1,6 @@
 name = "JSON"
 grammar = "json"
-path_suffixes = ["json", "flake.lock", "geojson", "topojson", "prettierrc", "json.dist"]
+path_suffixes = ["json", "flake.lock", "geojson", "topojson", "prettierrc", "json.dist", "deno.lock"]
 line_comments = ["// "]
 autoclose_before = ",]}"
 brackets = [