diff --git a/shells/fish/functions/upgrade.fish b/shells/fish/functions/upgrade.fish
new file mode 100644
index 0000000..feaac4f
--- /dev/null
+++ b/shells/fish/functions/upgrade.fish
@@ -0,0 +1,8 @@
+function upgrade --description "Upgrade the system"
+    sudo apt-get update
+    and sudo apt-get upgrade
+    and sudo apt-get dist-upgrade
+    and sudo apt-get autoremove
+    sudo tlmgr update --self --all
+    sudo npm update -g
+end