diff --git a/rc/filetype/swift.kak b/rc/filetype/swift.kak
index 9dbdcc11..10c2b771 100644
--- a/rc/filetype/swift.kak
+++ b/rc/filetype/swift.kak
@@ -27,7 +27,7 @@ add-highlighter shared/swift/code/ regex %{\b(true|false|nil)\b|\b-?(?!\$)\d+[fd
 add-highlighter shared/swift/code/ regex "\b(let|var|while|in|for|if|guard|else|do|switch|case|default|break|continue|return|try|catch|throw|new|delete|and|or|not|operator|explicit|func|import|return|init|deinit|get|set)\b" 0:keyword
 add-highlighter shared/swift/code/ regex "\bas\b[!?]?" 0:keyword
 add-highlighter shared/swift/code/ regex "(\$[0-9])\b" 0:keyword
-add-highlighter shared/swift/code/ regex "\b(const|mutable|auto|namespace|inline|static|volatile|class|struct|enum|union|extension|public|protected|private|fileprivate|typedef|virtual|friend|extern|typename|override|final|required|convenience|dynamic)\b" 0:attribute
+add-highlighter shared/swift/code/ regex "\b(const|mutable|auto|namespace|inline|static|volatile|class|struct|enum|union|extension|open|public|protected|private|fileprivate|internal|typedef|virtual|friend|extern|typename|override|final|required|convenience|dynamic)\b" 0:attribute
 
 add-highlighter shared/swift/code/ regex "\b(self|nil|id|super)\b" 0:value
 add-highlighter shared/swift/code/ regex "\b(Bool|String|UInt|UInt16|UInt32|UInt64|UInt8)\b" 0:type