diff --git a/languages.toml b/languages.toml
index b47fb4e2b..7b4b5b8b5 100644
--- a/languages.toml
+++ b/languages.toml
@@ -348,7 +348,8 @@ file-types = [
   ".vuerc",
   "composer.lock",
   ".watchmanconfig",
-  "avsc"
+  "avsc",
+  ".prettierrc"
 ]
 language-servers = [ "vscode-json-language-server" ]
 auto-format = true