diff --git a/.gitignore b/.gitignore
index c74b20e..80b0ec3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -235,3 +235,7 @@ samba-3.6.0pre1.tar.gz
 /samba-4.14.0rc1.tar.asc
 /samba-4.14.0rc2.tar.xz
 /samba-4.14.0rc2.tar.asc
+/samba-4.14.0rc3.tar.xz
+/samba-4.14.0rc3.tar.asc
+/samba-4.14.0rc4.tar.xz
+/samba-4.14.0rc4.tar.asc
diff --git a/samba.spec b/samba.spec
index 5f6927d..9728166 100644
--- a/samba.spec
+++ b/samba.spec
@@ -116,7 +116,7 @@
 %global tevent_version 0.10.2
 %global ldb_version 2.2.0
 # This should be rc1 or nil
-%global pre_release rc2
+%global pre_release rc4
 
 %global samba_release %{main_release}%{?dist}
 %if "x%{?pre_release}" != "x"
@@ -287,6 +287,7 @@ BuildRequires: liburing-devel >= 0.4
 # Add python3-iso8601 to avoid that the
 # version in Samba is being packaged
 BuildRequires: python3-iso8601
+BuildRequires: python3-pyasn1
 
 BuildRequires: bind
 BuildRequires: krb5-server >= %{required_mit_krb5}
@@ -433,8 +434,10 @@ Requires: %{name}-dc-provision = %{samba_depver}
 Requires: %{name}-dc-libs = %{samba_depver}
 Requires: %{name}-winbind = %{samba_depver}
 
+%if %{with libwbclient}
 Requires(post): libwbclient = %{samba_depver}
 Requires: libwbclient = %{samba_depver}
+%endif
 
 # samba-tool needs tdbbackup
 Requires: tdb-tools
@@ -743,8 +746,10 @@ Requires: %{name}-client-libs = %{samba_depver}
 Requires: %{name}-libs = %{samba_depver}
 Requires: %{name}-winbind-modules = %{samba_depver}
 
+%if %{with libwbclient}
 Requires(post): libwbclient = %{samba_depver}
 Requires: libwbclient = %{samba_depver}
+%endif
 
 Provides: samba4-winbind = %{samba_depver}
 Obsoletes: samba4-winbind < %{samba_depver}
@@ -3834,6 +3839,12 @@ fi
 %endif
 
 %changelog
+* Mon Mar 01 2021 Guenther Deschner <gdeschner@redhat.com> - 4.14.0rc4-0
+- Update to Samba 4.14.0rc4
+
+* Thu Feb 18 2021 Guenther Deschner <gdeschner@redhat.com> - 4.14.0rc3-0
+- Update to Samba 4.14.0rc3
+
 * Thu Feb 04 2021 Guenther Deschner <gdeschner@redhat.com> - 4.14.0rc2-0
 - Update to Samba 4.14.0rc2
 
diff --git a/sources b/sources
index 2f38afc..2d69cdb 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (samba-4.14.0rc2.tar.xz) = 7dd006538ef2d386dc60949bc23a25ff731a0fb4ec4a078500a27b7ea8352b6b5b7c306e0592007d6e79a13da1bfc201ed34c57df6bf2fda3484e5053f13a6e2
-SHA512 (samba-4.14.0rc2.tar.asc) = 104ac6e7ddb341f12432bb3686a80460fe67523a19f9eb058da112eafe0411839ea73510ad964d5f0a3da1d0372d716593fb68a9cc1ae7e7af5e7457417b2d24
+SHA512 (samba-4.14.0rc4.tar.xz) = 82d5577998158338eb2aef4f1466114d549e6b6e728b4f0cf1d2aa09ebb0139d0731e56da24c051ddc8b9a85ab084e1f3db0ac083ca7d92a30270d10e8eba1ea
+SHA512 (samba-4.14.0rc4.tar.asc) = a24ac0882279ed1374569ad5e738f9b594aba8b7a0bd86b8a14963146d5f2f55c44fe2e3b925a449f50ef5401418265a8536ed8dbc72b16d443c4a7b9e0b5a68