diff --git a/platformio.ini b/platformio.ini
index fccf1ec..8a53e25 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -19,3 +19,4 @@ lib_deps =
 	fastled/FastLED@^3.4.0
 	agdl/Base64@^1.0.0
 	links2004/WebSockets@^2.3.6
+	rweather/Crypto@^0.2.0
diff --git a/src/main.cpp b/src/main.cpp
index 1b46bf0..b318995 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,7 @@ CRGB leds[LED_COUNT];
 WebSocketsClient webSocket;
 
 #ifdef OBS_PASS
+#include <Hash.h>
 #include <SHA256.h>
 #define HASH_SIZE 32