diff --git a/src/platformio.ini b/src/platformio.ini
index 7fd5129..2caf42c 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -12,3 +12,4 @@
 platform = renesas-ra
 board = uno_r4_wifi
 framework = arduino
+lib_deps = marcoschwartz/LiquidCrystal_I2C@^1.1.4