diff --git a/gateway/platformio.ini b/gateway/platformio.ini
index 69c5ca1..cbb7355 100644
--- a/gateway/platformio.ini
+++ b/gateway/platformio.ini
@@ -19,7 +19,7 @@ lib_extra_dirs =
     ../libraries
 lib_deps = 
 	sui77/rc-switch@^2.6.3
-	bblanchon/ArduinoJson@6.16.1
+	bblanchon/ArduinoJson@6.19.4
 	adafruit/Adafruit Unified Sensor@^1.1.4
 	adafruit/DHT sensor library@1.3.10
 build_flags = -D DHT_SENSOR=0
@@ -41,7 +41,7 @@ lib_extra_dirs =
     ../libraries
 lib_deps = 
 	sui77/rc-switch@^2.6.3
-	bblanchon/ArduinoJson@6.16.1
+	bblanchon/ArduinoJson@6.19.4
 
 platform_packages =
     platformio/tool-simavr