diff --git a/.hydra/declarative-jobsets.nix b/.hydra/declarative-jobsets.nix
index 11b2763..eeb82d2 100644
--- a/.hydra/declarative-jobsets.nix
+++ b/.hydra/declarative-jobsets.nix
@@ -33,6 +33,7 @@ let
   desc = prJobsets // {
     "master" = mkFlakeJobset "master";
     "nixos-22.05" = mkFlakeJobset "nixos-22.05";
+    "nixos-22.11" = mkFlakeJobset "nixos-22.11";
   };
 
   log = {
diff --git a/README.md b/README.md
index 86351d7..9aee259 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,14 @@
 For each NixOS release, we publish a branch. You then have to use the
 SNM branch corresponding to your NixOS version.
 
+* For NixOS 22.11
+   - Use the [SNM branch `nixos-22.11`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-22.11)
+   - [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-22.11/)
+   - [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-22.11/release-notes.html#nixos-22-11)
 * For NixOS 22.05
    - Use the [SNM branch `nixos-22.05`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-22.05)
    - [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-22.05/)
    - [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-22.05/release-notes.html#nixos-22-05)
-* For NixOS 21.11
-   - Use the [SNM branch `nixos-21.11`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-21.11)
-   - [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-21.11/)
-   - [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-21.11/release-notes.html#nixos-21-11)
 * For NixOS unstable
    - Use the [SNM branch `master`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/master)
    - [Documentation](https://nixos-mailserver.readthedocs.io/en/latest/)
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 98c96b5..fa1a87c 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -1,6 +1,12 @@
 Release Notes
 =============
 
+NixOS 22.11
+-----------
+
+- Allow Rspamd to send dmarc reporting
+  (`merge request <https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/merge_requests/244>`__)
+
 NixOS 22.05
 -----------
 
diff --git a/flake.lock b/flake.lock
index e98dc26..0f7f71a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,11 +18,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1642635915,
-        "narHash": "sha256-vabPA32j81xBO5m3+qXndWp5aqepe+vu96Wkd9UnngM=",
+        "lastModified": 1669542132,
+        "narHash": "sha256-DRlg++NJAwPh8io3ExBJdNW7Djs3plVI5jgYQ+iXAZQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6d8215281b2f87a5af9ed7425a26ac575da0438f",
+        "rev": "a115bb9bd56831941be3776c8a94005867f316a7",
         "type": "github"
       },
       "original": {
@@ -31,18 +31,18 @@
         "type": "indirect"
       }
     },
-    "nixpkgs-22_05": {
+    "nixpkgs-22_11": {
       "locked": {
-        "lastModified": 1654936503,
-        "narHash": "sha256-soKzdhI4jTHv/rSbh89RdlcJmrPgH8oMb/PLqiqIYVQ=",
+        "lastModified": 1669558522,
+        "narHash": "sha256-yqxn+wOiPqe6cxzOo4leeJOp1bXE/fjPEi/3F/bBHv8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dab6df51387c3878cdea09f43589a15729cae9f4",
+        "rev": "ce5fe99df1f15a09a91a86be9738d68fadfbad82",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "type": "indirect"
       }
     },
@@ -50,7 +50,7 @@
       "inputs": {
         "blobs": "blobs",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-22_05": "nixpkgs-22_05",
+        "nixpkgs-22_11": "nixpkgs-22_11",
         "utils": "utils"
       }
     },
diff --git a/flake.nix b/flake.nix
index d9f2fad..4b5c8e6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,13 +4,14 @@
   inputs = {
     utils.url = "github:numtide/flake-utils";
     nixpkgs.url = "flake:nixpkgs/nixos-unstable";
+    nixpkgs-22_11.url = "flake:nixpkgs/nixos-22.11";
     blobs = {
       url = "gitlab:simple-nixos-mailserver/blobs";
       flake = false;
     };
   };
 
-  outputs = { self, utils, blobs, nixpkgs }: let
+  outputs = { self, utils, blobs, nixpkgs, nixpkgs-22_11 }: let
     system = "x86_64-linux";
     pkgs = nixpkgs.legacyPackages.${system};
     releases = [
@@ -18,6 +19,10 @@
         name = "unstable";
         pkgs = nixpkgs.legacyPackages.${system};
       }
+      {
+        name = "22.11";
+        pkgs = nixpkgs-22_11.legacyPackages.${system};
+      }
     ];
     testNames = [
       "internal"
diff --git a/tests/clamav.nix b/tests/clamav.nix
index 4f59d64..7a9f43c 100644
--- a/tests/clamav.nix
+++ b/tests/clamav.nix
@@ -189,10 +189,10 @@ pkgs.nixosTest {
 
       # TODO put this blocking into the systemd units? I am not sure if rspamd already waits for the clamd socket.
       server.wait_until_succeeds(
-          "set +e; timeout 1 ${nodes.server.pkgs.netcat}/bin/nc -U /run/rspamd/rspamd-milter.sock < /dev/null; [ $? -eq 124 ]"
+          "set +e; timeout 1 ${nodes.server.nixpkgs.pkgs.netcat}/bin/nc -U /run/rspamd/rspamd-milter.sock < /dev/null; [ $? -eq 124 ]"
       )
       server.wait_until_succeeds(
-          "set +e; timeout 1 ${nodes.server.pkgs.netcat}/bin/nc -U /run/clamav/clamd.ctl < /dev/null; [ $? -eq 124 ]"
+          "set +e; timeout 1 ${nodes.server.nixpkgs.pkgs.netcat}/bin/nc -U /run/clamav/clamd.ctl < /dev/null; [ $? -eq 124 ]"
       )
 
       client.execute("cp -p /etc/root/.* ~/")
diff --git a/tests/external.nix b/tests/external.nix
index c14a345..6c03144 100644
--- a/tests/external.nix
+++ b/tests/external.nix
@@ -350,7 +350,7 @@ pkgs.nixosTest {
 
       # TODO put this blocking into the systemd units?
       server.wait_until_succeeds(
-          "set +e; timeout 1 ${nodes.server.pkgs.netcat}/bin/nc -U /run/rspamd/rspamd-milter.sock < /dev/null; [ $? -eq 124 ]"
+          "set +e; timeout 1 ${nodes.server.nixpkgs.pkgs.netcat}/bin/nc -U /run/rspamd/rspamd-milter.sock < /dev/null; [ $? -eq 124 ]"
       )
 
       client.execute("cp -p /etc/root/.* ~/")