diff --git a/hosts/paidh-ceithir.nix b/hosts/doilidh.nix
similarity index 58%
rename from hosts/paidh-ceithir.nix
rename to hosts/doilidh.nix
index 6e6de30..af7e87b 100644
--- a/hosts/paidh-ceithir.nix
+++ b/hosts/doilidh.nix
@@ -1,4 +1,4 @@
-# NixOps configuration for paidh-ceithir
+# NixOps configuration for doilidh
 {
   config,
   pkgs,
@@ -9,9 +9,9 @@
 
   # Comment out deployment when building the SD Image.
   deployment.targetHost = "10.42.0.204";
-  networking.hostName = "paidh-ceithir"; # Define your hostname.
+  networking.hostName = "doilidh"; # Define your hostname.
 
   environment.systemPackages = with pkgs; [];
 
-  system.stateVersion = "20.09"; # The version of NixOS originally installed
+  system.stateVersion = "22.05"; # The version of NixOS originally installed
 }
diff --git a/images/sd-image_doilidh.nix b/images/sd-image_doilidh.nix
new file mode 100644
index 0000000..e6687d2
--- /dev/null
+++ b/images/sd-image_doilidh.nix
@@ -0,0 +1,13 @@
+# SD image for doilidh
+#
+# To build this image, run:
+#
+# nix-build '<nixpkgs/nixos>' -A config.system.build.sdImage -I \
+# nixos-config=./images/sd-image_doilidh.nix
+#
+# An example of how to write the image to SD card:
+#
+# zstdcat ./result/sd-image/nixos-sd-image-22.05pre-git-aarch64-linux.img.zst | sudo dd of=/dev/sdb
+{...}: {
+  imports = [./sd-image_paidh-aarch64.nix ../hosts/doilidh.nix];
+}
diff --git a/images/sd-image_paidh-ceithir.nix b/images/sd-image_paidh-ceithir.nix
deleted file mode 100644
index 1be98f5..0000000
--- a/images/sd-image_paidh-ceithir.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-# SD image for paidh-ceithir
-#
-# To build this image, run:
-#
-# nix-build '<nixpkgs/nixos>' -A config.system.build.sdImage -I \
-# nixos-config=./images/sd-image_paidh-ceithir.nix
-#
-# An example of how to write the image to SD card:
-#
-# bzcat ./result/sd-image/nixos-sd-image-20.03.1577.74a80c5a9ab-aarch64-linux.img.bz2 | sudo dd of=/dev/sdb
-{...}: {
-  imports = [./sd-image_paidh-aarch64.nix ../hosts/paidh-ceithir.nix];
-}
diff --git a/nixops.nix b/nixops.nix
index 650d3c2..8ad99f8 100644
--- a/nixops.nix
+++ b/nixops.nix
@@ -22,7 +22,7 @@
   dhu = import hosts/dhu.nix;
   dionach = import hosts/dionach.nix;
   iolear-beag = import hosts/iolear-beag.nix;
-  paidh-ceithir = import hosts/paidh-ceithir.nix;
+  doilidh = import hosts/doilidh.nix;
   paidh-coig = import hosts/paidh-coig.nix;
   buaidheach = import hosts/buaidheach.nix;
   ceitidh = import hosts/ceitidh.nix;