diff --git a/installGlobalScript.sh b/installGlobalScript.sh
index 4194a0e..f72d9d2 100644
--- a/installGlobalScript.sh
+++ b/installGlobalScript.sh
@@ -5,6 +5,10 @@ then
     # Update of APT
     sudo apt update
 
+    # Upgrade and clean already installed packages
+    sudo apt upgrade -y
+    sudo apt autoremove -y
+
     # Install Fish
     bash installFish.sh