diff --git a/Sources/Reactor/Reactor.swift b/Sources/Reactor/Reactor.swift
index 9cf48f8..5ecef5f 100644
--- a/Sources/Reactor/Reactor.swift
+++ b/Sources/Reactor/Reactor.swift
@@ -11,3 +11,12 @@ import ReactorBase
 @available(iOS 17.0, tvOS 17.0, watchOS 10.0, macOS 14.0, *)
 @dynamicMemberLookup
 public protocol Reactor: Observable, ReactorBase where State: Observable {}
+
+// MARK: - DynamicMemberLookup
+@available(iOS 17.0, tvOS 17.0, watchOS 10.0, macOS 14.0, *)
+extension Reactor {
+    @MainActor
+    public subscript<Value>(dynamicMember keyPath: KeyPath<State, Value>) -> Value {
+        state[keyPath: keyPath]
+    }
+}