diff --git a/extras/pre-install.sh b/extras/pre-install.sh
index 8af0b585beae93da581e28719483aa4324ff0f79..a49e65bc0ac8b1d293f0dd915fd84d67e508acf5 100644
--- a/extras/pre-install.sh
+++ b/extras/pre-install.sh
@@ -20,6 +20,7 @@ COLOR_END='\033[0m'
 
 echo -e "${COLOR_INFO}Installing packages with apt${COLOR_END}"
 
+apt-get update && \
 apt-get install -y \
   mysql-server \
   python \