diff --git a/README.md b/README.md
index fda3d83..e914580 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ cat and EOF in the Digital Ocean Web UI (or HTTP API):
 #cloud-config
 
 runcmd:
-  - curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=digitalocean NIX_CHANNEL=nixos-18.09 bash 2>&1 | tee /tmp/infect.log
+  - curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=digitalocean NIX_CHANNEL=nixos-19.09 bash 2>&1 | tee /tmp/infect.log
 ```
 Potential tweaks:
 - `/etc/nixos/{,hardware-}configuration.nix`: rudimentary mostly static config
@@ -64,7 +64,7 @@ write_files:
       environment.systemPackages = with pkgs; [ vim ];
     }
 runcmd:
-  - curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=digitalocean NIXOS_IMPORT=./host.nix NIX_CHANNEL=nixos-18.09 bash 2>&1 | tee /tmp/infect.log
+  - curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=digitalocean NIXOS_IMPORT=./host.nix NIX_CHANNEL=nixos-19.09 bash 2>&1 | tee /tmp/infect.log
 
 ```
 
@@ -75,7 +75,7 @@ To set up a NixOS Vultr server, instantiate an Ubuntu box with the following "St
 ```bash
 #!/bin/sh
 
-curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=vultr NIX_CHANNEL=nixos-18.09 bash
+curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=vultr NIX_CHANNEL=nixos-19.09 bash
 ```
 
 Allow for a few minutes over the usual Ubuntu deployment time for NixOS to download & install itself.
diff --git a/nixos-infect b/nixos-infect
index 8430461..5aa4f30 100755
--- a/nixos-infect
+++ b/nixos-infect
@@ -222,7 +222,7 @@ infect() {
   # shellcheck disable=SC1090
   source ~/.nix-profile/etc/profile.d/nix.sh
 
-  [[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-19.03"
+  [[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-19.09"
   nix-channel --remove nixpkgs
   nix-channel --add "https://nixos.org/channels/$NIX_CHANNEL" nixos
   nix-channel --update