diff --git a/dovecot23.changes b/dovecot23.changes
index 87dbf11..84931da 100644
--- a/dovecot23.changes
+++ b/dovecot23.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Aug 31 15:25:03 UTC 2020 - Marcus Rueckert <mrueckert@suse.de>
+
+- libsodium is not strictly required, it is only required for the
+  argon password scheme. This is now no longer supported on sle12 
+
 -------------------------------------------------------------------
 Wed Aug 12 13:57:05 UTC 2020 - Arjen de Korte <suse+build@de-korte.org>
 
diff --git a/dovecot23.spec b/dovecot23.spec
index c4d1a21..c1913cd 100644
--- a/dovecot23.spec
+++ b/dovecot23.spec
@@ -52,8 +52,10 @@ Release:        0
 %bcond_with    lzma
 %endif
 %if 0%{?suse_version} >= 1320
+%bcond_without argon
 %bcond_without lz4
 %else
+%bcond_with    argon
 %bcond_with    lz4
 %endif
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -71,7 +73,9 @@ BuildRequires:  xz-devel
 %if %{with lz4}
 BuildRequires:  liblz4-devel
 %endif
+%if %{with argon}
 BuildRequires:  libsodium-devel
+%endif
 %if 0%{?suse_version} >= 1520
 BuildRequires:  libmysqlclient-devel
 %else