diff --git a/_service b/_service
index 50e280e..cc1a0cf 100644
--- a/_service
+++ b/_service
@@ -4,7 +4,7 @@
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="url">https://github.com/element-hq/synapse.git</param>
     <param name="scm">git</param>
-    <param name="revision">v1.104.0</param>
+    <param name="revision">v1.105.1</param>
     <param name="versionrewrite-pattern">v(.*)</param>
     <param name="versionrewrite-replacement">\1</param>
     <!--
diff --git a/matrix-synapse-1.104.0.obscpio b/matrix-synapse-1.104.0.obscpio
deleted file mode 100644
index 40a8515..0000000
--- a/matrix-synapse-1.104.0.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:042225735d6366974e9e59a20f30d3baa8b6cf2f1d9cb298b34c044224bc969a
-size 36306957
diff --git a/matrix-synapse-1.105.1.obscpio b/matrix-synapse-1.105.1.obscpio
new file mode 100644
index 0000000..e9ade49
--- /dev/null
+++ b/matrix-synapse-1.105.1.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53a99082bf900c9d6feafc78be9c98869c4cd854027f8abf1bb09460d13f7d79
+size 36336653
diff --git a/matrix-synapse-test.spec b/matrix-synapse-test.spec
index a5445c9..84db12f 100644
--- a/matrix-synapse-test.spec
+++ b/matrix-synapse-test.spec
@@ -27,7 +27,7 @@
 
 %define         pkgname matrix-synapse
 Name:           %{pkgname}-test
-Version:        1.104.0
+Version:        1.105.1
 Release:        0
 Summary:        Test package for %{pkgname}
 License:        AGPL-3.0-or-later
diff --git a/matrix-synapse.changes b/matrix-synapse.changes
index 38321f3..67ea921 100644
--- a/matrix-synapse.changes
+++ b/matrix-synapse.changes
@@ -1,3 +1,45 @@
+-------------------------------------------------------------------
+Tue Apr 23 16:37:19 UTC 2024 - Marcus Rueckert <mrueckert@suse.de>
+
+- Update to 1.105.1 (boo#1223319)
+  - Security
+    - GHSA-3h7q-rfh9-xm4v / CVE-2024-31208 — High Severity
+      Weakness in auth chain indexing allows DoS from remote room
+      members through disk fill and high CPU usage.
+
+      See the advisories for more details. If you have any
+      questions, email security@element.io.
+
+-------------------------------------------------------------------
+Tue Apr 16 19:29:37 UTC 2024 - Marcus Rueckert <mrueckert@suse.de>
+
+- Update to 1.105.0
+  - Features
+    - Stabilize support for MSC4010 which clarifies the interaction
+      of push rules and account data. Contributed by @clokep.
+      (#17022)
+    - Stabilize support for MSC3981: /relations recursion.
+      Contributed by @clokep. (#17023)
+    - Add support for moving /pushrules off of main process.
+      (#17037, #17038)
+  - Bugfixes
+    - Fix various long-standing bugs which could cause incorrect
+      state to be returned from /sync in certain situations.
+      (#16930, #16932, #16942, #17064, #17065, #17066)
+    - Fix server notice rooms not always being created as
+      unencrypted rooms, even when
+      encryption_enabled_by_default_for_room_type is in use (server
+      notices are always unencrypted). (#17033)
+    - Fix the .m.rule.encrypted_room_one_to_one and
+      .m.rule.room_one_to_one default underride push rules being in
+      the wrong order. Contributed by @Sumpy1. (#17043)
+  - Internal Changes
+    - Refactor auth chain fetching to reduce duplication. (#17044)
+    - Improve database performance by adding a missing index to
+      access_tokens.refresh_token_id. (#17045, #17054)
+    - Improve database performance by reducing number of receipts
+      fetched when sending push notifications. (#17049)
+
 -------------------------------------------------------------------
 Tue Apr  2 21:08:17 UTC 2024 - Marcus Rueckert <mrueckert@suse.de>
 
diff --git a/matrix-synapse.obsinfo b/matrix-synapse.obsinfo
index aa1a20a..0c011c0 100644
--- a/matrix-synapse.obsinfo
+++ b/matrix-synapse.obsinfo
@@ -1,4 +1,4 @@
 name: matrix-synapse
-version: 1.104.0
-mtime: 1712074622
-commit: ca27b516656223150d218bdd838df302fedf838c
+version: 1.105.1
+mtime: 1713884233
+commit: 20c9e195197567c209edf45383e5d0cdd2ef2a5f
diff --git a/matrix-synapse.spec b/matrix-synapse.spec
index be4b6c3..69e7ccc 100644
--- a/matrix-synapse.spec
+++ b/matrix-synapse.spec
@@ -149,7 +149,7 @@
 %define         pkgname matrix-synapse
 %define         eggname matrix_synapse
 Name:           %{pkgname}
-Version:        1.104.0
+Version:        1.105.1
 Release:        0
 Summary:        Matrix protocol reference homeserver
 License:        AGPL-3.0-or-later
diff --git a/vendor.tar.zst b/vendor.tar.zst
index 5152fff..78b43e6 100644
--- a/vendor.tar.zst
+++ b/vendor.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a46ce61b9981a4ccde109c2cabf725940dcc877d8616ab58723edfb0f4f3d2ca
-size 5862839
+oid sha256:c937e0167963d400f4e2cd9ef6a003345681a4b89482a6ad6df60437047a6f8a
+size 5854525