diff --git a/README.md b/README.md
index 20a9dd2..fe93170 100644
--- a/README.md
+++ b/README.md
@@ -180,6 +180,7 @@ Run the following steps to install Inkycal. Do **not** use sudo for this, except
 
 ```bash
 # Raspberry Pi specific section start
+sudo apt update
 sudo apt-get install git zlib1g libjpeg-dev libatlas-base-dev rustc libopenjp2-7 python-dev-is-python3 scons libssl-dev python3-venv python3-pip git libfreetype6-dev wkhtmltopdf libopenblas-dev 
 git clone https://github.com/WiringPi/WiringPi
 cd WiringPi