diff --git a/.github/workflows/BuildLibrary.yml b/.github/workflows/BuildLibrary.yml
index 798e9b1..3f362de 100644
--- a/.github/workflows/BuildLibrary.yml
+++ b/.github/workflows/BuildLibrary.yml
@@ -19,7 +19,7 @@ jobs:
       # Space separated list without double quotes around the list. 
       # If you need a library with a space in its name, like Adafruit NeoPixel or Adafruit INA219, you must use double quotes
       # around the name and have at least 2 entries, where the first must be without double quotes! You may use Servo as dummy entry.
-      REQUIRED_LIBRARIES: TheThingsNetwork "SparkFun MPL3115A2 Altitude and Pressure Sensor Breakout" "SparkFun HTU21D Humidity and Temperature Sensor Breakout"
+      REQUIRED_LIBRARIES: TheThingsNetwork "SparkFun MPL3115A2 Altitude and Pressure Sensor Breakout" "SparkFun HTU21D Humidity and Temperature Sensor Breakout" ArduinoJson
 
     strategy:
       matrix: