diff --git a/syntax/ats.vim b/syntax/ats.vim
index cf74142..22604b2 100644
--- a/syntax/ats.vim
+++ b/syntax/ats.vim
@@ -67,7 +67,7 @@ syn keyword atsCond if then else case sif when ifcase
 syn keyword atsRepeat while
 syn keyword atsOperator mod
 syn keyword atsException exception raise try
-syn keyword atsStatement let in where local
+syn keyword atsStatement import let in where local
 syn keyword atsStatement val and fnx fun fn llam lam fix rec var of assume castfn prfun prfn
 syn keyword atsStatement begin end
 syn keyword atsTypedef typedef sortdef viewtypedef vtypedef viewdef