diff --git a/README.md b/README.md
index 974848b..6da5b1f 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,7 @@ install Quickemu and all the dependencies run the following in a terminal:
 
 ```bash
 sudo apt-add-repository ppa:flexiondotorg/quickemu
+sudo apt update
 sudo apt install quickemu
 ```