diff --git a/libzypp-17.23.5.tar.bz2 b/libzypp-17.23.5.tar.bz2
deleted file mode 100644
index cf9dd99..0000000
--- a/libzypp-17.23.5.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b2be62cef2162c67ef0b15fc91c8cc19c74d1497bdff526e26e8977b609dbaa6
-size 4756892
diff --git a/libzypp-17.23.6.tar.bz2 b/libzypp-17.23.6.tar.bz2
new file mode 100644
index 0000000..f4284c0
--- /dev/null
+++ b/libzypp-17.23.6.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f2983f28f93eae5293cf90b4d6e1e114f24d1ab38d129a4ef357ebc13bac10a
+size 4756927
diff --git a/libzypp.changes b/libzypp.changes
index 26b586a..83f5557 100644
--- a/libzypp.changes
+++ b/libzypp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jun  4 11:45:03 CEST 2020 - ma@suse.de
+
+- Revert "Enable zchunk on SLE-15-SP2".
+- version 17.23.6 (22)
+
 -------------------------------------------------------------------
 Wed May 27 18:50:32 CEST 2020 - ma@suse.de
 
diff --git a/libzypp.spec b/libzypp.spec
index aec7858..f6be802 100644
--- a/libzypp.spec
+++ b/libzypp.spec
@@ -19,17 +19,13 @@
 %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:        17.23.5
+Version:        17.23.6
 Release:        0
 URL:            https://github.com/openSUSE/libzypp
 Summary:        Library for package, patch, pattern and product management