diff --git a/setup.sh b/setup.sh
index c76e739..c5759c8 100644
--- a/setup.sh
+++ b/setup.sh
@@ -2,7 +2,7 @@
 apt update && apt upgrade -y && apt install python3-dev python3-pip python3-psycopg2 libgpiod2 -y
 
 # Install Python modules.
-pip3 install RPi.GPIO psycopg2 adafruit-circuitpython-dht
+pip3 install RPi.GPIO psycopg2 adafruit-circuitpython-dht pytz
 
 # Start the python script.
 /usr/bin/python3 main.py