diff --git a/libzypp-17.28.3.tar.bz2 b/libzypp-17.28.3.tar.bz2
deleted file mode 100644
index 10c5bde..0000000
--- a/libzypp-17.28.3.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d2f12a9d0588766f4028c231d15df7acef440a35ce5a5d7920a0eb252679df0e
-size 5355172
diff --git a/libzypp-17.28.4.tar.bz2 b/libzypp-17.28.4.tar.bz2
new file mode 100644
index 0000000..89fc388
--- /dev/null
+++ b/libzypp-17.28.4.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67c40f2ca62d2157c4e6ca411dd83714e54c3bb17cc871ce1025c880c06de483
+size 5356922
diff --git a/libzypp.changes b/libzypp.changes
index 7ab5e23..ea3aa89 100644
--- a/libzypp.changes
+++ b/libzypp.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Fri Sep 17 10:41:56 CEST 2021 - ma@suse.de
+
+- Make sure to keep states alives while transitioning
+  (bsc#1190199)
+- May set techpreview variables for testing in /etc/zypp/zypp.conf.
+  If environment variables are unhandy one may enable the desired
+  techpreview in zypp.conf as well:
+    [main]
+    techpreview.ZYPP_SINGLE_RPMTRANS=1
+    techpreview.ZYPP_MEDIANETWORK=1
+- version 17.28.4 (22)
+
 -------------------------------------------------------------------
 Fri Sep  3 14:34:19 CEST 2021 - ma@suse.de
 
diff --git a/libzypp.spec b/libzypp.spec
index b88d4f3..2d96e72 100644
--- a/libzypp.spec
+++ b/libzypp.spec
@@ -43,7 +43,7 @@
 %bcond_with enable_preview_single_rpmtrans_as_default_for_zypper
 
 Name:           libzypp
-Version:        17.28.3
+Version:        17.28.4
 Release:        0
 License:        GPL-2.0-or-later
 URL:            https://github.com/openSUSE/libzypp