diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index ba89fdf..37f8b25 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -27,6 +27,7 @@
     ./programs/phoenix.nix
     ./programs/deluge.nix
     ./programs/adguard.nix
+    ./programs/prosody.nix
   ];
 
   # Enable flakes
diff --git a/nixos/programs/prosody.nix b/nixos/programs/prosody.nix
new file mode 100644
index 0000000..fd42954
--- /dev/null
+++ b/nixos/programs/prosody.nix
@@ -0,0 +1,30 @@
+{ config, ...}: {
+  services.prosody = {
+    enable = true;
+    virtualHosts."xmpp.comfycamp.space" = {
+      enabled = true;
+      domain = "xmpp.comfycamp.space";
+      ssl = {
+        cert = "/var/lib/acme/comfycamp.space/fullchain.pem";
+        key = "/var/lib/acme/comfycamp.space/key.pem";
+      };
+    };
+
+    uploadHttp = {
+      domain = "upload.comfycamp.space";
+      uploadExpireAfter = "60 * 60 * 24 * 7 * 4";
+    };
+
+    ssl = {
+      cert = "/var/lib/acme/comfycamp.space/fullchain.pem";
+      key = "/var/lib/acme/comfycamp.space/key.pem";
+    };
+
+    muc = [
+      {
+        domain = "conference.comfycamp.space";
+        maxHistoryMessages = 512;
+      }
+    ];
+  };
+}
diff --git a/nixos/users.nix b/nixos/users.nix
index ae31994..48fd221 100644
--- a/nixos/users.nix
+++ b/nixos/users.nix
@@ -13,6 +13,11 @@
       group = "maddy";
       extraGroups = [ "acme" ];
     };
+    prosody = {
+      isSystemUser = true;
+      group = "prosody";
+      extraGroups = [ "acme" ];
+    };
     nextcloud = {
       isSystemUser = true;
       group = "nextcloud";
@@ -46,6 +51,7 @@
   users.groups = {
     mastodon.members = [ "mastodon" config.services.nginx.user ];
     nextcloud.members = [ "nextcloud" config.services.nginx.user ];
+    prosody = {};
     photoprism = {};
     matrix-synapse = {};
     maddy = {};