diff --git a/install.sh b/install.sh
index 204049b..bca2c79 100644
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
+#system upgrade
+sudo pacman -Syu
 # install pikaur
 sudo pacman -S --needed base-devel git
 cd /home/$USER/