diff --git a/.swiftpm/xcode/package.xcworkspace/xcuserdata/ijaewon.xcuserdatad/UserInterfaceState.xcuserstate b/.swiftpm/xcode/package.xcworkspace/xcuserdata/ijaewon.xcuserdatad/UserInterfaceState.xcuserstate
index 6ec3aff..5788113 100644
Binary files a/.swiftpm/xcode/package.xcworkspace/xcuserdata/ijaewon.xcuserdatad/UserInterfaceState.xcuserstate and b/.swiftpm/xcode/package.xcworkspace/xcuserdata/ijaewon.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Sources/APIRouter/HeaderBuilder.swift b/Sources/APIRouter/HeaderBuilder.swift
index 733b24c..5e9bb38 100644
--- a/Sources/APIRouter/HeaderBuilder.swift
+++ b/Sources/APIRouter/HeaderBuilder.swift
@@ -46,7 +46,7 @@ public extension Header {
   }
 }
 
-struct Field: HeaderProtocol {
+public struct Field: HeaderProtocol {
   private let value: String
   private let key: String