diff --git a/lib/extra-libs.zip b/lib/extra-libs.zip
new file mode 100644
index 0000000..9fe3f88
Binary files /dev/null and b/lib/extra-libs.zip differ
diff --git a/platformio.ini b/platformio.ini
index 3456593..4690d80 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,3 +13,4 @@ platform = espressif8266
 board = nodemcuv2
 framework = arduino
 monitor_baud = 115200
+lib_deps = ./lib/extra-libs.zip