diff --git a/nixpkgs-2105.nix b/nixpkgs-2105.nix
new file mode 100644
index 0000000000000000000000000000000000000000..fbd7ca592bfd4e9d1b941f437758f8da1b8bcb5a
--- /dev/null
+++ b/nixpkgs-2105.nix
@@ -0,0 +1,6 @@
+# This actually imports nixos-21.11 but we need to keep this file around so that
+# upgrades work, as the on-node deployment script expects this file in the checkout.
+# See https://whetstone.privatestorage.io/privatestorage/PrivateStorageio/-/merge_requests/222#note_18600
+# This file can be removed once all nodes have been updated to point to the new file.
+
+import ./nixpkgs.nix