diff --git a/charts/matrix-stack/source/matrix-rtc.yaml.j2 b/charts/matrix-stack/source/matrix-rtc.yaml.j2
index ca10e2027..40b542d61 100644
--- a/charts/matrix-stack/source/matrix-rtc.yaml.j2
+++ b/charts/matrix-stack/source/matrix-rtc.yaml.j2
@@ -61,7 +61,7 @@ sfu:
     {{- sub_schema_values.exposedServicePortRange('rtcUdp', 31000, 32000, 'NodePort') | indent(4) }}
 
 
-{{- sub_schema_values.image(registry='docker.io', repository='livekit/livekit-server', tag='v1.7.2') | indent(2) }}
+{{- sub_schema_values.image(registry='docker.io', repository='livekit/livekit-server', tag='v1.9.0') | indent(2) }}
 {{- sub_schema_values.extraEnv() | indent(2) }}
 {{- sub_schema_values.labels() | indent(2) }}
 {{- sub_schema_values.workloadAnnotations() | indent(2) }}
diff --git a/charts/matrix-stack/values.yaml b/charts/matrix-stack/values.yaml
index f0ba17a4a..c58e4514a 100644
--- a/charts/matrix-stack/values.yaml
+++ b/charts/matrix-stack/values.yaml
@@ -682,7 +682,7 @@ matrixRTC:
 
       ## The tag of the container image to use.
       ## Defaults to the Chart's appVersion if not set
-      tag: "v1.7.2"
+      tag: "v1.9.0"
 
       ## Container digest to use. Used to pull the image instead of the image tag / Chart appVersion if set
       # digest:
diff --git a/newsfragments/552.changed.md b/newsfragments/552.changed.md
new file mode 100644
index 000000000..ac9070d6c
--- /dev/null
+++ b/newsfragments/552.changed.md
@@ -0,0 +1,9 @@
+Upgrade Matrix RTC SFU to v1.9.0.
+
+Full changelogs:
+* [v1.8.0](https://github.com/livekit/livekit/releases/tag/v1.8.0)
+* v1.8.1 - no changelog
+* v1.8.2 - no changelog
+* [v1.8.3](https://github.com/livekit/livekit/releases/tag/v1.8.3)
+* [v1.8.4](https://github.com/livekit/livekit/releases/tag/v1.8.4)
+* [v1.9.0](https://github.com/livekit/livekit/releases/tag/v1.9.0)