diff --git a/libzypp-17.23.4.tar.bz2 b/libzypp-17.23.4.tar.bz2
deleted file mode 100644
index 728a0a0..0000000
--- a/libzypp-17.23.4.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:58d02321eda42804b925a6b04f52f7be276b997d2cfce746a37c67736ddc92c4
-size 4756266
diff --git a/libzypp-17.23.5.tar.bz2 b/libzypp-17.23.5.tar.bz2
new file mode 100644
index 0000000..fec29c9
--- /dev/null
+++ b/libzypp-17.23.5.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bcfc43b856e9d3cfe74e42155a4c39b78e2106fbcd8dc06012675962c662a41f
+size 4755606
diff --git a/libzypp.changes b/libzypp.changes
index 8ab37e7..26b586a 100644
--- a/libzypp.changes
+++ b/libzypp.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed May 27 18:50:32 CEST 2020 - ma@suse.de
+
+- Enable zchunk on SLE-15-SP2.
+- Older kernel-devel packages are not properly purged (bsc#1171224)
+- doc: enhance service plugin example.
+- version 17.23.5 (22)
+
 -------------------------------------------------------------------
 Thu Apr  9 12:52:10 CEST 2020 - ma@suse.de
 
diff --git a/libzypp.spec b/libzypp.spec
index daad03c..aec7858 100644
--- a/libzypp.spec
+++ b/libzypp.spec
@@ -19,13 +19,17 @@
 %if 0%{?is_opensuse} && (0%{?sle_version} >= 150100 || 0%{?suse_version} > 1500)
 %bcond_without zchunk
 %else
+%if 0%{?sle_version} >= 150200
+%bcond_without zchunk
+%else
 %bcond_with zchunk
 %endif
+%endif
 
 %bcond_without mediabackend_tests
 
 Name:           libzypp
-Version:        17.23.4
+Version:        17.23.5
 Release:        0
 URL:            https://github.com/openSUSE/libzypp
 Summary:        Library for package, patch, pattern and product management