diff --git a/hosts/murk/configuration.nix b/hosts/murk/configuration.nix
index 2c4ff0e..b2beb5e 100644
--- a/hosts/murk/configuration.nix
+++ b/hosts/murk/configuration.nix
@@ -37,7 +37,7 @@ in {
     pkgs.qmk
     pkgs.jq
     pkgs.wireguard-tools
-    pkgs.cursor-cli
+    pkgs.opencode
   ];
 
   boot.binfmt = {
diff --git a/modules/nixos/core/nix.nix b/modules/nixos/core/nix.nix
index 16167ee..697fed8 100644
--- a/modules/nixos/core/nix.nix
+++ b/modules/nixos/core/nix.nix
@@ -29,7 +29,7 @@
       flake = flake;
     };
 
-    nix.settings.experimental-features = ["nix-command" "flakes"];
+    nix.settings.experimental-features = ["nix-command" "flakes" "ca-derivations"];
     nix.settings = {
       substituters = [
         "https://cache.nixos.org"
diff --git a/modules/nixos/unfree/default.nix b/modules/nixos/unfree/default.nix
index 4190d50..1edbea5 100644
--- a/modules/nixos/unfree/default.nix
+++ b/modules/nixos/unfree/default.nix
@@ -15,5 +15,5 @@ in {
     builtins.elem (lib.getName pkg) ((mkPackages "steam")
       ++ (mkPackages "minecraft")
       ++ (mkPackages "nvidia")
-      ++ (mkPackages "valheim") ++ ["stremio-shell" "stremio-server" "cursor-cli" "obsidian"]);
+      ++ (mkPackages "valheim") ++ ["stremio-shell" "stremio-server" "obsidian"]);
 }