diff --git a/.gitignore b/.gitignore
index 2106233..15ed506 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,3 +61,4 @@ pigeonhole-snap0592366457df.tar.bz2
 /dovecot-2.2.rc2.tar.gz
 /pigeonhole-99eec511aa2c.tar.bz2
 /dovecot-2.2.rc3.tar.gz
+/dovecot-2.2.rc4.tar.gz
diff --git a/dovecot.spec b/dovecot.spec
index 566815e..166ad6a 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -1,9 +1,10 @@
+%global _hardened_build 1
 Summary: Secure imap and pop3 server
 Name: dovecot
 Epoch: 1
 Version: 2.2
-%global prever .rc3
-Release: 0%{?dist}.3
+%global prever .rc4
+Release: 0%{?dist}.4
 #dovecot itself is MIT, a few sources are PD, pigeonhole is LGPLv2
 License: MIT and LGPLv2
 Group: System Environment/Daemons
@@ -480,6 +481,10 @@ make check
 %{_libdir}/%{name}/dict/libdriver_pgsql.so
 
 %changelog
+* Fri Apr 05 2013 Michal Hlavinka <mhlavink@redhat.com> - 1:2.2-0.4
+- dovecot updated to 2.2 RC4
+- various bugfixes to LDAP changes in rc3
+
 * Wed Mar 27 2013 Michal Hlavinka <mhlavink@redhat.com> - 1:2.2-0.3
 - dovecot updated to 2.2 RC3
 - Fixed a crash when decoding quoted-printable content.
diff --git a/sources b/sources
index 919357e..0f830ac 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-42a94fb8b17295ddc48f7367291827d6  dovecot-2.2.rc3.tar.gz
 cf4a25c24cd2458314c8ed9d36dc2752  pigeonhole-99eec511aa2c.tar.bz2
+0594c918785f8e4d635fdce5aab318d5  dovecot-2.2.rc4.tar.gz