diff --git a/nixos/routnerr-2/corerad.nix b/nixos/routnerr-2/corerad.nix
index f38498e..ea9a316 100644
--- a/nixos/routnerr-2/corerad.nix
+++ b/nixos/routnerr-2/corerad.nix
@@ -1,13 +1,17 @@
 { lib, ... }:
 
-let vars = import ./lib/vars.nix;
+let
+  unstable = import <nixos-unstable-small> { };
+  vars = import ./lib/vars.nix;
 
 in {
   services.corerad = {
     enable = true;
 
     # Enable as necessary to get development builds of CoreRAD.
-    # package = unstable.corerad;
+    #
+    # v1.1.0 is in unstable as of March 2022.
+    package = unstable.corerad;
 
     settings = with vars.interfaces; {
       # Base non-interface configuration.