diff --git a/flake.lock b/flake.lock
index 94da88a..d35b58a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -177,11 +177,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1682836095,
-        "narHash": "sha256-PdzpJhuXBz71AgWNWMMYLbB8GMMce6QguhQY/6HOOcc=",
+        "lastModified": 1683009613,
+        "narHash": "sha256-jJh8JaoHOLlk7iFLgZk1PlxCCNA2KTKfOLMLCa9mduA=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "e4a21ddcb45ee5f5c85a5d9e9698debf77fb98c3",
+        "rev": "7dc46304675f4ff2d6be921ef60883efd31363c4",
         "type": "github"
       },
       "original": {
diff --git a/hosts/iso/zsh.nix b/hosts/iso/zsh.nix
index b10b827..bb96e5e 100644
--- a/hosts/iso/zsh.nix
+++ b/hosts/iso/zsh.nix
@@ -11,6 +11,10 @@
       enable = true;
       highlightStyle = "fg=#00bbbb,bold";
     };
+    ohMyZsh = {
+      enable = true;
+      theme = "risto";
+    };
 
     shellInit =
       ''