diff --git a/README.md b/README.md
index 150d8d4..855ee1d 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Also you have to enable the i2c devices in the raspi-config menu. If you dont kn
 Now we need some packages that are needed to run the script. You can install them with this command:
 
 ```
-sudo apt install python3-pip screen -y
+sudo apt install python3-pip screen rpi.gpio -y
 ```
 
 Now you can put the following command in a crontab to run the strawberry pi script in the background when the raspberry pi starts: