diff --git a/openldap-2.6.4.tgz b/openldap-2.6.4.tgz
deleted file mode 100644
index c00496f..0000000
--- a/openldap-2.6.4.tgz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d51704e50178430c06cf3d8aa174da66badf559747a47d920bb54b2d4aa40991
-size 6478424
diff --git a/openldap-2.6.4.tgz.asc b/openldap-2.6.4.tgz.asc
deleted file mode 100644
index 0708890..0000000
--- a/openldap-2.6.4.tgz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
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diff --git a/openldap-2.6.6.tgz b/openldap-2.6.6.tgz
new file mode 100644
index 0000000..d16afdf
--- /dev/null
+++ b/openldap-2.6.6.tgz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:082e998cf542984d43634442dbe11da860759e510907152ea579bdc42fe39ea0
+size 6475109
diff --git a/openldap-2.6.6.tgz.asc b/openldap-2.6.6.tgz.asc
new file mode 100644
index 0000000..219804a
--- /dev/null
+++ b/openldap-2.6.6.tgz.asc
@@ -0,0 +1,16 @@
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diff --git a/openldap2.changes b/openldap2.changes
index 79c6f15..1dd7b9b 100644
--- a/openldap2.changes
+++ b/openldap2.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Nov  3 06:33:07 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2.6.6
+  * Fixed libldap handling of TCP KEEPALIVE options
+  * Fixed slapd callback handling with overlays that do extended
+    operations
+
 -------------------------------------------------------------------
 Tue Sep  5 11:52:49 UTC 2023 - Thorsten Kukuk <kukuk@suse.com>
 
diff --git a/openldap2.conf b/openldap2.conf
index 683a2d0..dd1371d 100644
--- a/openldap2.conf
+++ b/openldap2.conf
@@ -1,2 +1,3 @@
 # openldap needs a directory in /var/lib/:
 d /var/lib/ldap 0750 ldap ldap -
+d /run/slapd 0755 ldap ldap -
diff --git a/openldap2.spec b/openldap2.spec
index 9e48ae5..b685519 100644
--- a/openldap2.spec
+++ b/openldap2.spec
@@ -26,11 +26,11 @@
 %endif
 
 Name:           openldap2%{name_suffix}
+Version:        2.6.6
+Release:        0
 Summary:        An open source implementation of the Lightweight Directory Access Protocol
 License:        OLDAP-2.8
 Group:          Productivity/Networking/LDAP/Servers
-Version:        2.6.4
-Release:        0
 URL:            https://www.openldap.org
 Source0:        https://www.openldap.org/software/download/OpenLDAP/openldap-release/openldap-%{version}.tgz
 Source1:        https://www.openldap.org/software/download/OpenLDAP/openldap-release/openldap-%{version}.tgz.asc
@@ -56,8 +56,6 @@ Patch3:         0003-LDAPI-socket-location.dif
 Patch5:         0005-pie-compile.dif
 Patch8:         0008-In-monitor-backend-do-not-return-Connection0-entries.patch
 Patch16:        0016-Clear-shared-key-only-in-close-function.patch
-
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  argon2-devel
 BuildRequires:  cyrus-sasl-devel
 BuildRequires:  db-devel
@@ -240,12 +238,7 @@ This package provides a C++ library for accessing LDAP (Version 3)
 Servers
 
 %prep
-%setup -q -a 9 -n openldap-%{version}
-%patch1 -p1
-%patch3 -p1
-%patch5 -p1
-%patch8 -p1
-%patch16 -p1
+%autosetup -a9 -p1 -n openldap-%{version}
 cp %{SOURCE5} .
 
 %build
@@ -258,7 +251,7 @@ cd contrib/ldapc++
 export CFLAGS="%{optflags} -Wno-format-extra-args -fno-strict-aliasing -DNDEBUG -DSLAP_CONFIG_DELETE -DSLAP_SCHEMA_EXPOSE -DLDAP_COLLECTIVE_ATTRIBUTES -DLDAP_USE_NON_BLOCKING_TLS"
 export STRIP=""
 ./configure \
-        --prefix=/usr \
+        --prefix="%_prefix" \
         --sysconfdir=%{_sysconfdir} \
         --libdir=%{_libdir} \
         --libexecdir=%{_libdir} \