diff --git a/deploy_dotfiles.sh b/deploy_dotfiles.sh
index dda709e..3b0a86b 100755
--- a/deploy_dotfiles.sh
+++ b/deploy_dotfiles.sh
@@ -34,6 +34,7 @@ fi
 
 if [ -n "$MISSING" ]; then
     echo "Installation de $MISSING"
+    sudo apt update
     sudo apt -y install $MISSING
 fi