diff --git a/package.json b/package.json
index cf060bc02..b64b359e4 100644
--- a/package.json
+++ b/package.json
@@ -133,7 +133,7 @@
     "@signalk/udp-nmea-plugin": "^2.0.0",
     "@signalk/vesselpositions": "^1.0.0",
     "mdns": "^2.5.1",
-    "serialport": "^11.0.0",
+    "serialport": "^13.0.0",
     "signalk-n2kais-to-nmea0183": "^1.3.1",
     "signalk-to-nmea2000": "^2.16.0"
   },
diff --git a/packages/streams/package.json b/packages/streams/package.json
index 6425ca4a3..1929f1cef 100644
--- a/packages/streams/package.json
+++ b/packages/streams/package.json
@@ -37,6 +37,6 @@
     "stream-throttle": "^0.1.3"
   },
   "optionalDependencies": {
-    "serialport": "^11.0.0"
+    "serialport": "^13.0.0"
   }
 }