diff --git a/arduino/samd.zip b/arduino/samd.zip
index 2848378..840b630 100644
Binary files a/arduino/samd.zip and b/arduino/samd.zip differ
diff --git a/package_sensebox_index.json b/package_sensebox_index.json
index 446ad2b..c33b2cb 100644
--- a/package_sensebox_index.json
+++ b/package_sensebox_index.json
@@ -16,7 +16,7 @@
           "help": {"online": "http://www.sensebox.de/go"},
           "url": "https://github.com/sensebox/senseBoxMCU-core/releases/download/1.3.0/samd.zip",
           "archiveFileName": "sensebox-samd-1.3.0.zip",
-          "size": "1872272",
+          "size": "1878299",
           "boards": [
             {"name": "senseBox MCU (SAMD21)"}
           ]