diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 91743958bb7..309a9cda5e9 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -3974,6 +3974,7 @@ operators and scripters.")
            mit-krb5
            aspell
            tcl
+           libxcrypt
            linux-pam))
     (home-page "https://repo.or.cz/alpine.git")
     (synopsis "Alternatively Licensed Program for Internet News and Email")