diff --git a/modules/nixos/programs/pass.nix b/modules/nixos/programs/pass.nix
index 9a5513e..5efcdfd 100644
--- a/modules/nixos/programs/pass.nix
+++ b/modules/nixos/programs/pass.nix
@@ -6,6 +6,7 @@ let
   pass = pkgs.pass.withExtensions (ext: [
     ext.pass-audit
     ext.pass-update
+    ext.pass-otp
   ]);
 in
 {