diff --git a/Sources/TOMLDecoder/Parsing/TOMLDocument.swift b/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
index d5a250f..ce77a20 100644
--- a/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
+++ b/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
@@ -90,7 +90,7 @@ struct InternalTOMLArray: Equatable, Sendable {
         }
     }
 
-    enum Kind {
+    enum Kind: UInt8 {
         case value
         case array
         case table
diff --git a/Sources/TOMLDecoder/Parsing/Token.swift b/Sources/TOMLDecoder/Parsing/Token.swift
index 82775cd..c285764 100644
--- a/Sources/TOMLDecoder/Parsing/Token.swift
+++ b/Sources/TOMLDecoder/Parsing/Token.swift
@@ -1,5 +1,5 @@
 struct Token: Equatable {
-    enum Kind {
+    enum Kind: UInt8 {
         case dot
         case comma
         case equal