diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index d28624c4326..22997b7a159 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -156,8 +156,7 @@
       mailpile = 146;
       redmine = 147;
       seeks = 148;
-
-      prosody = 148;
+      prosody = 149;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -281,8 +280,7 @@
       mailpile = 146;
       redmine = 147;
       seeks = 148;
-
-      prosody = 148;
+      prosody = 149;
 
       # When adding a gid, make sure it doesn't match an existing uid. And don't use gids above 399!