diff --git a/068714f9f5a96fbd94560211cec75775ee023d02.patch b/068714f9f5a96fbd94560211cec75775ee023d02.patch
new file mode 100644
index 0000000..f095ac3
--- /dev/null
+++ b/068714f9f5a96fbd94560211cec75775ee023d02.patch
@@ -0,0 +1,32 @@
+From 068714f9f5a96fbd94560211cec75775ee023d02 Mon Sep 17 00:00:00 2001
+From: Vsevolod Stakhov <vsevolod@rspamd.com>
+Date: Fri, 11 Nov 2022 20:34:51 +0000
+Subject: [PATCH] [CritFix] Deserialise hyperscan to the page-aligned space to
+ prevent alignment issues
+
+Issue: #4329
+---
+ src/libserver/hyperscan_tools.cxx | 10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/src/libserver/hyperscan_tools.cxx b/src/libserver/hyperscan_tools.cxx
+index 6187208a9..96366067d 100644
+--- a/src/libserver/hyperscan_tools.cxx
++++ b/src/libserver/hyperscan_tools.cxx
+@@ -306,7 +306,15 @@ auto load_cached_hs_file(const char *fname, std::int64_t offset = 0) -> tl::expe
+ 						msg_debug_hyperscan_lambda("multipattern: create new database in %s; %Hz size",
+ 							tmpfile_pattern.data(), unserialized_size);
+ 						void *buf;
+-						posix_memalign(&buf, 16, unserialized_size);
++#ifdef HAVE_GETPAGESIZE
++						auto page_size = getpagesize();
++#else
++						auto page_size = sysconf(_SC_PAGESIZE);
++#endif
++						if (page_size == -1) {
++							page_size = 4096;
++						}
++						posix_memalign(&buf, page_size, unserialized_size);
+ 						if (buf == nullptr) {
+ 							return tl::make_unexpected(error {"Cannot allocate memory", errno, error_category::CRITICAL });
+ 						}
diff --git a/rspamd-3.4.tar.gz b/rspamd-3.4.tar.gz
new file mode 100644
index 0000000..5f88fb1
--- /dev/null
+++ b/rspamd-3.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f8d3e2b9a1a6ed6521c60fe505e97086624407f67366f0ce882eee433a53c355
+size 5689732
diff --git a/rspamd.changes b/rspamd.changes
index c2d79fd..460b3b9 100644
--- a/rspamd.changes
+++ b/rspamd.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Mon Nov 14 16:21:40 UTC 2022 - Marcus Rueckert <mrueckert@suse.de>
+
+- Upgrade to 3.4 again 
+  - Fix metadata_exporter with many recipients by @yo000 in #4294
+  - [Fix] Fix favicon.ico Content-Type header by @moisseev in #4302
+  - [Minor] Fix copy-paste error by @moisseev in #4305
+  - Add basic auth to metadata_exporter http pusher by @yo000 in
+    #4300
+  - [Enhancement] Add composite rule against AFF involving
+    freemailers by @twesterhever in #4304
+  - Penalize bounce spam by @frederikbosch in #4308
+- Added 068714f9f5a96fbd94560211cec75775ee023d02.patch:
+  Official patch for the unaligned memory issue described in
+  https://github.com/rspamd/rspamd/issues/4329
+- Add cleanup code to the %postun scriptlet to remove bad files,
+  created by earlier/unpatched 3.4 versions, during package upgrade
+
 -------------------------------------------------------------------
 Wed Nov  9 01:42:46 UTC 2022 - Marcus Rueckert <mrueckert@suse.de>
 
diff --git a/rspamd.spec b/rspamd.spec
index df8f253..155ceb7 100644
--- a/rspamd.spec
+++ b/rspamd.spec
@@ -56,7 +56,7 @@
 %endif
 
 Name:           rspamd
-Version:        3.3
+Version:        3.4
 Release:        0
 Summary:        Spam filtering system
 License:        Apache-2.0
@@ -67,6 +67,7 @@ Source1:        usr.bin.rspamd
 Patch0:         rspamd-conf.patch
 Patch1:         rspamd-after-redis-target.patch
 Patch2:         fix_missing_return.patch
+Patch3:         https://github.com/rspamd/rspamd/commit/068714f9f5a96fbd94560211cec75775ee023d02.patch
 %if !0%{?is_opensuse}
 # because 80-check-malware-scan-clamav triggered in SLE-15-SP2
 BuildRequires:  -post-build-checks-malwarescan
@@ -292,6 +293,11 @@ echo "# Site-specific additions and overrides for 'usr.bin.rspamd'" > %{buildroo
 
 %if 0%{?suse_version}
 %postun
+#
+# cleanup bad unser files from earlier 3.4 builds
+# see https://github.com/rspamd/rspamd/issues/4329 for the details
+#
+find /var/lib/rspamd/ -type f -name '*.unser' -delete ||:
 %if %{with systemd}
 %service_del_postun %{name}.service
 %else