diff --git a/addon_files/redmatic/var/package.json b/addon_files/redmatic/var/package.json
index 77a8d1a3..4d16aa1c 100644
--- a/addon_files/redmatic/var/package.json
+++ b/addon_files/redmatic/var/package.json
@@ -12,6 +12,7 @@
     "node-red-contrib-combine": "1.6.1",
     "node-red-contrib-mqtt-json": "1.0.1",
     "node-red-contrib-time-range-switch": "0.6.1",
+    "node-red-node-serialport": "0.6.8",
     "node-red-node-sqlite": "0.3.5",
     "redmatic-led": "1.0.0",
     "redmatic-webapp": "0.2.1",
diff --git a/package.json b/package.json
index acb261d0..22b702df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redmatic",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "description": "Node-RED packaged as Homematic CCU addon",
   "repository": "github:hobbyquaker/redmatic",
   "private": true,
@@ -28,7 +28,8 @@
     "node-red-node-email": "1.0.6",
     "node-red-node-feedparser": "0.1.14",
     "node-red-node-rbe": "0.2.4",
-    "node-red-node-twitter": "1.1.4"
+    "node-red-node-twitter": "1.1.4",
+    "node-red-node-serialport": "0.6.8"
   },
   "author": "Sebastian Raff <hobbyquaker@gmail.com>",
   "license": "Apache-2.0",
diff --git a/prebuilt/armv6l/var/node_modules/node-red-node-serialport/node_modules/serialport/build/Release/serialport.node b/prebuilt/armv6l/var/node_modules/node-red-node-serialport/node_modules/serialport/build/Release/serialport.node
new file mode 100755
index 00000000..3c09d877
Binary files /dev/null and b/prebuilt/armv6l/var/node_modules/node-red-node-serialport/node_modules/serialport/build/Release/serialport.node differ