diff --git a/platformio.ini b/platformio.ini
index 8a53e25..72cfa7f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -14,9 +14,10 @@ framework = arduino
 monitor_speed = 115200
 platform = espressif8266
 upload_protocol = esptool
+lib_ldf_mode = chain+
 lib_deps = 
 	bblanchon/ArduinoJson@^6.17.3
 	fastled/FastLED@^3.4.0
 	agdl/Base64@^1.0.0
 	links2004/WebSockets@^2.3.6
-	rweather/Crypto@^0.2.0
+	Hash
diff --git a/src/main.cpp b/src/main.cpp
index 5d87a78..17453dc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -15,6 +15,7 @@
 
 // END CONFIGURATION
 
+#include <Arduino.h>
 #include <Hash.h>
 #include <ESP8266WiFi.h>
 #include <WebSocketsClient.h>