diff --git a/installation-5.md b/installation-5.md
index a0be8e2..369e419 100644
--- a/installation-5.md
+++ b/installation-5.md
@@ -543,13 +543,12 @@ Voici un récapitulatif des commandes habituelles :
 
     # comment out contrib and non-free repos in /etc/sources.list
     # verify backports are enabled
-    apt update
-    apt upgrade -y
+    apt update; apt upgrade -y
     apt install -y apt-transport-https ca-certificates wget lsb-release
     wget -O - https://deb.entrouvert.org/entrouvert.gpg | apt-key add -
     echo "deb http://deb.entrouvert.org/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/entrouvert.list
     apt update
-    apt install -y publik-common
+    apt install ca-certificates-entrouvert libreoffice publik-base-theme publik-common postgresql-client bsd-mailx zip wget curl ltrace strace psmisc tcpdump tshark
 
     publik-create-users
     publik-cluster-link all $NFS