diff --git a/src/syntax_mapping/builtins/common/50-json.toml b/src/syntax_mapping/builtins/common/50-json.toml
index 6b3252e8..3555d34b 100644
--- a/src/syntax_mapping/builtins/common/50-json.toml
+++ b/src/syntax_mapping/builtins/common/50-json.toml
@@ -1,3 +1,3 @@
 # JSON Lines is a simple variation of JSON #2535
 [mappings]
-"JSON" = ["*.jsonl", "*.jsonc", "*.jsonld", "*.geojson", "*.ndjson"]
+"JSON" = ["*.jsonl", "*.jsonc", "*.jsonld", "*.geojson", "*.ndjson", "*.code-workspace"]