diff --git a/nix/pkgs/default.nix b/nix/pkgs/default.nix
index db0b33b3d4..bd1aa4b52e 100644
--- a/nix/pkgs/default.nix
+++ b/nix/pkgs/default.nix
@@ -59,5 +59,9 @@
   };
 
   baserow = pkgs.callPackages ./baserow {};
+
+  common-updater-scripts = pkgs.common-updater-scripts.override {
+    nix = pkgs.nix_2_3;
+  };
 } // (import ./heptapod-runner.nix args)
   // (import ./lightspeed args)
diff --git a/nix/pkgs/rundeck-bin/default.nix b/nix/pkgs/rundeck-bin/default.nix
index 8be1e136e1..c320577b6a 100644
--- a/nix/pkgs/rundeck-bin/default.nix
+++ b/nix/pkgs/rundeck-bin/default.nix
@@ -10,11 +10,11 @@ let
 in
 stdenvNoCC.mkDerivation rec {
   pname = "rundeck";
-  version = "3.4.1-20210715";
+  version = "3.4.9-20211221";
 
   src = fetchurl {
     url = "https://packagecloud.io/pagerduty/rundeck/packages/java/org.rundeck/rundeck-${version}.war/artifacts/rundeck-${version}.war/download";
-    hash = "sha256-CvA9PoyqdpeKN7sjI2n6BPxN7MY8CDIko7PX07zw+Mc=";
+    hash = "sha256-HwXPDmjAIc825ZFxteTOfimQmK2DdhAHA0H4UYisgFw=";
   };
   dontUnpack = true;