diff --git a/libzypp-17.32.5.tar.bz2 b/libzypp-17.32.5.tar.bz2
deleted file mode 100644
index 2e44384..0000000
--- a/libzypp-17.32.5.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5d92ea99a49f53da7153dd870cc49cf15989c6ce41d9b19aa7cf02d3322133b9
-size 5596025
diff --git a/libzypp-17.33.4.tar.bz2 b/libzypp-17.33.4.tar.bz2
new file mode 100644
index 0000000..70e1025
--- /dev/null
+++ b/libzypp-17.33.4.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:82ce7989407f2eda4cdca2f0fcc88b62f585c49afd2937688b52187640517879
+size 5599489
diff --git a/libzypp.changes b/libzypp.changes
index a675a2d..1c33c44 100644
--- a/libzypp.changes
+++ b/libzypp.changes
@@ -1,3 +1,52 @@
+-------------------------------------------------------------------
+Mon May 13 11:48:13 CEST 2024 - bzeller@suse.de
+
+- version 17.33.4 (35)
+
+-------------------------------------------------------------------
+Thu May  9 13:43:39 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- add one more missing export for libyui-qt-pkg
+
+-------------------------------------------------------------------
+Wed May  8 14:05:16 CEST 2024 - bzeller@suse.de
+
+- Revert eintrSafeCall behavior to setting errno to 0.
+- version 17.33.3 (34)
+
+-------------------------------------------------------------------
+Mon May  6 08:28:32 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- fix up requires_eq usage for libsolv-tools-base
+- add one more missing export for PackageKit
+- version 17.33.2
+
+-------------------------------------------------------------------
+Fri May  3 14:06:58 CEST 2024 - ma@suse.de
+
+- version 17.33.1 (33)
+
+-------------------------------------------------------------------
+Fri May  3 11:31:43 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- switch to reduced size libsolv-tools-base (jsc#PED-8153)
+
+-------------------------------------------------------------------
+Fri May  3 12:52:22 CEST 2024 - ma@suse.de
+
+- Fixed check for outdated repo metadata as non-root user
+  (bsc#1222086)
+- Add ZYPP_API for exported functions and switch to
+  visibility=hidden (jsc#PED-8153)
+- Dynamically resolve libproxy (jsc#PED-8153)
+- version 17.33.0 (33)
+
+-------------------------------------------------------------------
+Mon Apr 29 12:00:59 CEST 2024 - ma@suse.de
+
+- Fix download from gpgkey URL (bsc#1223430, fixes openSUSE/zypper#546)
+- version 17.32.6 (32)
+
 -------------------------------------------------------------------
 Fri Apr 19 15:58:26 CEST 2024 - ma@suse.de
 
diff --git a/libzypp.spec b/libzypp.spec
index 51ad3b2..3c40974 100644
--- a/libzypp.spec
+++ b/libzypp.spec
@@ -38,11 +38,18 @@
 %bcond_with sigc_block_workaround
 %endif
 
+
+%if 0%{?suse_version} > 1500 || 0%{?sle_version} >= 150600
+%bcond_without visibility_hidden
+%else
+%bcond_with visibility_hidden
+%endif
+
 # Distros using just zypper may want to enable this as default earlier
 %bcond_with enable_preview_single_rpmtrans_as_default_for_zypper
 
 Name:           libzypp
-Version:        17.32.5
+Version:        17.33.4
 Release:        0
 License:        GPL-2.0-or-later
 URL:            https://github.com/openSUSE/libzypp
@@ -92,8 +99,17 @@ BuildRequires:  gettext-devel
 BuildRequires:  graphviz
 BuildRequires:  libxml2-devel
 BuildRequires:  yaml-cpp-devel
+
+# we are loading libproxy dynamically, however we have
+# a failsafe unit test that links against libproxy to make
+# sure the API did not change
 BuildRequires:  libproxy-devel
 
+#keep the libproxy runtime requires for old releases
+%if 0%{?sle_version} <= 150500
+Requires: libproxy1
+%endif
+
 %if 0%{?fedora_version} || 0%{?rhel_version} || 0%{?centos_version}
 BuildRequires:  pkgconfig
 %else
@@ -101,8 +117,13 @@ BuildRequires:  pkg-config
 %endif
 
 BuildRequires:  libsolv-devel >= 0.7.24
+%if 0%{?suse_version} > 1500 || 0%{?sle_version} >= 150600
+BuildRequires:  libsolv-tools-base >= 0.7.29
+%requires_eq    libsolv-tools-base
+%else
 BuildRequires:  libsolv-tools
 %requires_eq    libsolv-tools
+%endif
 
 BuildRequires:  glib2-devel
 BuildRequires:  libsigc++2-devel
@@ -236,7 +257,7 @@ Group:          Documentation/HTML
 Developer documentation for libzypp.
 
 %prep
-%setup -q
+%autosetup -p1
 
 %build
 mkdir build
@@ -261,6 +282,7 @@ cmake -DCMAKE_INSTALL_PREFIX=%{_prefix} \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_SKIP_RPATH=1 \
       -DCMAKE_INSTALL_LIBEXECDIR=%{_libexecdir} \
+      %{?with_visibility_hidden:-DENABLE_VISIBILITY_HIDDEN=1} \
       %{?with_zchunk:-DENABLE_ZCHUNK_COMPRESSION=1} \
       %{?with_zstd:-DENABLE_ZSTD_COMPRESSION=1} \
       %{?with_sigc_block_workaround:-DENABLE_SIGC_BLOCK_WORKAROUND=1} \