diff --git a/flake.lock b/flake.lock
index 6a702f0..83eb408 100644
--- a/flake.lock
+++ b/flake.lock
@@ -181,6 +181,22 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-small": {
+      "locked": {
+        "lastModified": 1719825363,
+        "narHash": "sha256-2ASBatUTQWNIiTeBZRuxROu27MyOavVnzeCv7h40QNw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "10c832d0548e9e3a6df7eb51e68c2783212a303e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1719690277,
@@ -206,6 +222,7 @@
         "nix-index-database": "nix-index-database",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-small": "nixpkgs-small",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "secrets": "secrets",
         "simple-nixos-mailserver": "simple-nixos-mailserver"
diff --git a/flake.nix b/flake.nix
index 22856db..fa46817 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,6 +8,9 @@
     nixpkgs = {
       url = "github:NixOS/nixpkgs/nixos-24.05";
     };
+    nixpkgs-small = {
+      url = "github:NixOS/nixpkgs/nixos-24.05-small";
+    };
     nixpkgs-unstable = {
       url = "github:NixOS/nixpkgs/nixos-unstable";
     };
diff --git a/modules/base/ssh.nix b/modules/base/ssh.nix
index 7a48892..d82278c 100644
--- a/modules/base/ssh.nix
+++ b/modules/base/ssh.nix
@@ -1,4 +1,13 @@
-{...}: {
+{
+  nixpkgs-small,
+  pkgs,
+  ...
+}: {
+  # Use OpenSSH from nixpkgs-small while waiting for
+  # https://nixpk.gs/pr-tracker.html?pr=323761.
+  # See https://github.com/NixOS/nixpkgs/pull/323761.
+  programs.ssh.package = nixpkgs-small.legacyPackages."${pkgs.system}".openssh;
+
   services.openssh = {
     enable = true;
     settings = {