diff --git a/nixos-infect b/nixos-infect
index 955d4ac..516d07f 100755
--- a/nixos-infect
+++ b/nixos-infect
@@ -204,7 +204,7 @@ infect() {
   # shellcheck disable=SC1090
   source ~/.nix-profile/etc/profile.d/nix.sh
 
-  [[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-17.03"
+  [[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-18.03"
   nix-channel --remove nixpkgs
   nix-channel --add "https://nixos.org/channels/$NIX_CHANNEL" nixos
   nix-channel --update