diff --git a/courier-imap-4.17.1.tar.bz2 b/courier-imap-4.17.1.tar.bz2
deleted file mode 100644
index 6a1c265..0000000
--- a/courier-imap-4.17.1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:21583f40d01ca4dd8d2133d5d542d241260ce2ddfcb93802a3dbd185aca27ec2
-size 3201660
diff --git a/courier-imap-4.17.1.tar.bz2.sig b/courier-imap-4.17.1.tar.bz2.sig
deleted file mode 100644
index 061618d..0000000
Binary files a/courier-imap-4.17.1.tar.bz2.sig and /dev/null differ
diff --git a/courier-imap-4.18.2.tar.bz2 b/courier-imap-4.18.2.tar.bz2
new file mode 100644
index 0000000..db8e134
--- /dev/null
+++ b/courier-imap-4.18.2.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f66ceda3e5aa853e13f417302dfb83b312709e95f1bbcdafcd6214d76a94e79a
+size 3205230
diff --git a/courier-imap-4.18.2.tar.bz2.sig b/courier-imap-4.18.2.tar.bz2.sig
new file mode 100644
index 0000000..aeda420
Binary files /dev/null and b/courier-imap-4.18.2.tar.bz2.sig differ
diff --git a/courier-imap.changes b/courier-imap.changes
index fda7f18..c5b6f7f 100644
--- a/courier-imap.changes
+++ b/courier-imap.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Mon Dec  4 11:55:19 UTC 2017 - suse+build@de-korte.org
+
+- update to 4.18.2
+  * imapd.c (do_folder_delete): Fix check for DELETE INBOX.
+  * libs/maildrop/maildir.C (MaildirSave): Fix new/delete mismatch.
+  * libs/sqwebmail/gpg.c: Fix external linkage.
+  * libs/tcpd/libcouriertls.c: OpenSSL API update.
+  * courier-unicode library API update.
+  * libs/maildir/maildirquota.c (docheckquota): Skip DT_LNK.
+  * OpenSSL 1.1.0 compilation fixes.
+  * courier: switch default header encoding to UTF-8.
+  * Fix to configure.ac
+
 -------------------------------------------------------------------
 Mon Feb 20 14:53:44 CET 2017 - kukuk@suse.de
 
diff --git a/courier-imap.spec b/courier-imap.spec
index c4c46ad..ede5950 100644
--- a/courier-imap.spec
+++ b/courier-imap.spec
@@ -20,7 +20,7 @@ Name:           courier-imap
 Summary:        An IMAP and POP3 Server for Maildir MTAs
 License:        GPL-3.0+
 Group:          Productivity/Networking/Email/Servers
-Version:        4.17.1
+Version:        4.18.2
 Release:        0
 Url:            http://www.courier-mta.org/imap/
 Source0:        %{name}-%{version}.tar.bz2
@@ -48,8 +48,8 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %if 0%{?suse_version} > 910
 BuildRequires:  audit-libs
 %endif
-BuildRequires:  courier-authlib-devel >= 0.62
-BuildRequires:  courier-unicode-devel
+BuildRequires:  courier-authlib-devel >= 0.68
+BuildRequires:  courier-unicode-devel >= 2.0
 BuildRequires:  db-devel
 %if 0%{?suse_version} >= 1220
 BuildRequires:  gamin-devel
@@ -67,7 +67,7 @@ BuildRequires:  zlib-devel
 # openssl itself for /usr/bin/openssl configure check
 BuildRequires:  openssl
 Conflicts:      imap qpopper cyrus-imapd
-Requires:       courier-authlib >= 0.62
+Requires:       courier-authlib >= 0.68
 Requires:       fam-server
 Requires:       gdbm
 Requires:       openssl