diff --git a/packages/streams/package.json b/packages/streams/package.json
index 1d2c2e71d..32b653305 100644
--- a/packages/streams/package.json
+++ b/packages/streams/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@signalk/streams",
-  "version": "1.3.2",
+  "version": "1.4.1",
   "description": "Utilities for handling streams of Signal K data",
   "main": "index.js",
   "scripts": {
@@ -35,6 +35,6 @@
     "stream-throttle": "^0.1.3"
   },
   "optionalDependencies": {
-    "serialport": "^7.0.2"
+    "serialport": "^7.1.5"
   }
 }