diff --git a/platformio.ini-example b/platformio.ini-example
index 4ad646559..351d7a1ff 100644
--- a/platformio.ini-example
+++ b/platformio.ini-example
@@ -10,6 +10,7 @@ lib_deps =
   Time
   PubSubClient
   ArduinoJson
+  CRC32
 
 [env:nodemcuv2]
 board = nodemcuv2