diff --git a/Package.resolved b/Package.resolved
index dbb8050..700a86b 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/shareup/synchronized.git",
         "state": {
           "branch": null,
-          "revision": "e8bbab660d61b4f78fd94c3640f1a03886c326ea",
-          "version": "2.1.0"
+          "revision": "56f5956cbd9cf4bcd2f92153c03ae293dffb0987",
+          "version": "2.3.0"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index ad5523f..c47615c 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,7 +16,7 @@ let package = Package(
         .package(
             name: "Synchronized",
             url: "https://github.com/shareup/synchronized.git",
-            from: "2.1.0"
+            from: "2.3.0"
         ),
         .package(
             name: "WebSocketProtocol",
@@ -28,7 +28,10 @@ let package = Package(
     targets: [
         .target(
             name: "WebSocket",
-            dependencies: ["Synchronized", "WebSocketProtocol"]
+            dependencies: [
+                .product(name: "SynchronizedDynamic", package: "Synchronized"),
+                "WebSocketProtocol"
+            ]
         ),
         .testTarget(
             name: "WebSocketTests",