diff --git a/src/WebSocketWrapper.h b/src/WebSocketWrapper.h
index f1b32216..f872620f 100644
--- a/src/WebSocketWrapper.h
+++ b/src/WebSocketWrapper.h
@@ -49,7 +49,8 @@ struct WebSocketWrapper {
             if (topic.isInvalid(args)) {
                 return;
             }
-            ws->subscribe(topic.getString());
+            bool nonStrict = args.Length() > 1 && BooleanValue(isolate, args[1]);
+            ws->subscribe(topic.getString(), nonStrict);
         }
     }
 
@@ -63,7 +64,8 @@ struct WebSocketWrapper {
             if (topic.isInvalid(args)) {
                 return;
             }
-            bool success = ws->unsubscribe(topic.getString());
+            bool nonStrict = args.Length() > 1 && BooleanValue(isolate, args[1]);
+            bool success = ws->unsubscribe(topic.getString(), nonStrict);
             args.GetReturnValue().Set(Boolean::New(isolate, success));
         }
     }
diff --git a/uWebSockets b/uWebSockets
index 359c26b0..a17a6a72 160000
--- a/uWebSockets
+++ b/uWebSockets
@@ -1 +1 @@
-Subproject commit 359c26b0bf8e728bf857dacacff70627c6ae5738
+Subproject commit a17a6a7268ee6d17c7aec51afa27264c1981aec6