--- a/langs.sty	Mon Oct 02 23:10:56 2023 +0100
+++ b/langs.sty	Tue Oct 03 14:29:12 2023 +0100
@@ -42,7 +42,7 @@
     new,null,object,override,package,%
     private,protected,requires,return,sealed,%
     super,this,then,throw,trait,true,try,%
-    type,val,var,while,with,yield,write,read},%
+    type,using,val,var,while,with,yield,write,read},%
   literate={==>}{{\mbox{\color{codepurple}{\textbf{\texttt{==>}}}}}}2,%
   otherkeywords={=>,<-,<\%,<:,>:,\#},%
   sensitive=true,%