diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index ee69d59c47..c2083bc480 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -762,7 +762,7 @@ impl Inner {
       let watch_registration_options =
         DidChangeWatchedFilesRegistrationOptions {
           watchers: vec![FileSystemWatcher {
-            glob_pattern: "**/*.json".to_string(),
+            glob_pattern: "**/*.json{c}".to_string(),
             kind: Some(WatchKind::Change),
           }],
         };