diff --git a/platformio.ini b/platformio.ini
index 5f9dd80..df3ccbd 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -14,7 +14,7 @@ board = d1_mini
 board_build.filesystem = littlefs
 framework = arduino
 lib_deps =
-  adafruit/DHT sensor library@^1.4.4
-  adafruit/Adafruit Unified Sensor@^1.1.9
+  adafruit/DHT sensor library@^1.4.6
+  adafruit/Adafruit Unified Sensor@^1.1.15
   knolleary/PubSubClient@^2.8
-  bblanchon/ArduinoJson@^6.21.1
+  bblanchon/ArduinoJson@^7.4.1