diff --git a/glicid/services/authentication.scm b/glicid/services/authentication.scm
index e4890ba..970126c 100644
--- a/glicid/services/authentication.scm
+++ b/glicid/services/authentication.scm
@@ -1,13 +1,17 @@
 (define-module (glicid services authentication)
+               #:use-module (guix)
+               #:use-module (ice-9 match)
+               #:use-module (guix gexp)
+               #:use-module (guix records)
                #:use-module (gnu services)
                #:use-module (gnu services shepherd)
-               #:use-module (guix)
-               #:use-module (guix records)
-               #:use-module (ice-9 match)
-               #:use-module (gnu packages sssd)
-               #:use-module (glicid packages authentik)
+               #:use-module (gnu system shadow)
+               #:use-module (gnu system privilege)
                #:use-module (glicid system file-systems)
                #:use-module (glicid utils)
+               #:use-module (gnu packages bash)
+               #:use-module (gnu packages sssd)
+               #:use-module (glicid packages authentik)
                #:export (
                          sssd-configuration
                          sssd-configuration?