diff --git a/charts/matrix-stack/source/synapse.yaml.j2 b/charts/matrix-stack/source/synapse.yaml.j2
index ff05b98b4..ef92b14cd 100644
--- a/charts/matrix-stack/source/synapse.yaml.j2
+++ b/charts/matrix-stack/source/synapse.yaml.j2
@@ -85,7 +85,7 @@ logging:
   ## levelOverrides:
   ##   synapse.util.caches.lrucache: WARNING
   levelOverrides: {}
-{{- sub_schema_values.image(registry='ghcr.io', repository='element-hq/synapse', tag='v1.143.0') }}
+{{- sub_schema_values.image(registry='ghcr.io', repository='element-hq/synapse', tag='v1.144.0') }}
 {{- sub_schema_values.ingress() }}
 {{- sub_schema_values.labels() }}
 {{- sub_schema_values.workloadAnnotations() }}
diff --git a/charts/matrix-stack/templates/synapse/_synapse_details.tpl b/charts/matrix-stack/templates/synapse/_synapse_details.tpl
index 154c401b0..ecc47c202 100644
--- a/charts/matrix-stack/templates/synapse/_synapse_details.tpl
+++ b/charts/matrix-stack/templates/synapse/_synapse_details.tpl
@@ -228,7 +228,7 @@ responsibleForMedia
   "^/_matrix/client/(api/v1|r0|v3|unstable)/directory/room/.*$"
   "^/_matrix/client/(r0|v3|unstable)/capabilities$"
   "^/_matrix/client/(r0|v3|unstable)/notifications$"
-  "^/_matrix/client/unstable/org.matrix.msc4140/delayed_events$"
+  "^/_matrix/client/unstable/org.matrix.msc4140/delayed_events(/.*/restart)?$"
   "^/_synapse/admin/v1/rooms/[^/]+$"
 ) }}
 
diff --git a/charts/matrix-stack/values.yaml b/charts/matrix-stack/values.yaml
index d1b2f2c07..3e537a10d 100644
--- a/charts/matrix-stack/values.yaml
+++ b/charts/matrix-stack/values.yaml
@@ -4037,7 +4037,7 @@ synapse:
 
     ## The tag of the container image to use.
     ## One of tag or digest must be provided.
-    tag: "v1.143.0"
+    tag: "v1.144.0"
 
     ## Container digest to use. Used to pull the image instead of the image tag if set
     ## The tag will still be set as the app.kubernetes.io/version label
diff --git a/newsfragments/915.changed.md b/newsfragments/915.changed.md
new file mode 100644
index 000000000..e37fd93f6
--- /dev/null
+++ b/newsfragments/915.changed.md
@@ -0,0 +1,8 @@
+Upgrade Synapse to v1.144.0.
+
+Highlights:
+- Add experimental implementation of [MSC4380](https://github.com/matrix-org/matrix-spec-proposals/pull/4380) (invite blocking).
+- Allow the restarting delayed events endpoint for MatrixRTC to be served by workers.
+
+Full Changelogs:
+- [v1.144.0](https://github.com/element-hq/synapse/releases/tag/v1.144.0)