diff --git a/ports/espressif/boards/lolin_c3_pico/mpconfigboard.mk b/ports/espressif/boards/lolin_c3_pico/mpconfigboard.mk
index 53852b59ad..a202fd8ad3 100644
--- a/ports/espressif/boards/lolin_c3_pico/mpconfigboard.mk
+++ b/ports/espressif/boards/lolin_c3_pico/mpconfigboard.mk
@@ -6,3 +6,6 @@ IDF_TARGET = esp32c3
 CIRCUITPY_ESP_FLASH_MODE=qio
 CIRCUITPY_ESP_FLASH_FREQ=80m
 CIRCUITPY_ESP_FLASH_SIZE=4MB
+
+# Include these Python libraries in firmware.
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel