diff --git a/upgrade.sh b/upgrade.sh
index 2459153..d84c633 100755
--- a/upgrade.sh
+++ b/upgrade.sh
@@ -4,12 +4,16 @@ echo "Upgrading $HOST"
 case "$HOST" in
   odin)
     echo "Found odin"
-    sudo nixos-rebuild boot --upgrade-all -p Intel 	-I "nixos-config=./nixos/odin-intel.nix "&&
-    sudo nixos-rebuild boot --upgrade-all -p Nvidia -I "nixos-config=./nixos/odin-nvidia.nix"
+    nix-channel --update
+    sudo nix-channel --update
+    sudo nixos-rebuild boot -p Intel -I "nixos-config=./nixos/odin-intel.nix "&&
+    sudo nixos-rebuild boot -p Nvidia -I "nixos-config=./nixos/odin-nvidia.nix"
     ;;
   thor | freya | loki)
     echo "Found $HOST"
-    sudo nixos-rebuild boot --upgrade-all           -I "nixos-config=./nixos/$HOST.nix"
+    nix-channel --update
+    sudo nix-channel --update
+    sudo nixos-rebuild boot -I "nixos-config=./nixos/$HOST.nix"
     ;;
   *)
     echo "localhost match not found"