diff --git a/charts/matrix/Chart.lock b/charts/matrix/Chart.lock
index 61ebe0f9..4e494324 100644
--- a/charts/matrix/Chart.lock
+++ b/charts/matrix/Chart.lock
@@ -7,9 +7,9 @@ dependencies:
   version: 7.0.4
 - name: matrix-sliding-sync
   repository: https://small-hack.github.io/matrix-sliding-sync-chart
-  version: 1.0.1
+  version: 1.2.0
 - name: matrix-authentication-service
   repository: https://small-hack.github.io/matrix-authentication-service-chart
   version: 1.1.0
-digest: sha256:f9542b2e449f628dacafd1d19422b46fa9b283a8c3dcbd39b64a63c94ae7fdcc
-generated: "2024-12-15T12:19:57.132439647Z"
+digest: sha256:c6892321cbd9487d6b3f5cc6397d211f4cbdaa30f50372647d2fe4c725ddf118
+generated: "2024-12-15T13:18:44.882396843Z"
diff --git a/charts/matrix/Chart.yaml b/charts/matrix/Chart.yaml
index a53ab492..6a4c336f 100644
--- a/charts/matrix/Chart.yaml
+++ b/charts/matrix/Chart.yaml
@@ -8,7 +8,7 @@ sources:
 
 type: application
 
-version: 17.3.0
+version: 17.4.0
 
 # renovate: image=matrixdotorg/synapse
 appVersion: v1.117.0
@@ -29,7 +29,7 @@ dependencies:
     condition: coturn.enabled
 
   - name: matrix-sliding-sync
-    version: 1.0.1
+    version: 1.2.0
     repository: https://small-hack.github.io/matrix-sliding-sync-chart
     alias: syncv3
     condition: syncv3.enabled
diff --git a/charts/matrix/README.md b/charts/matrix/README.md
index 53e52641..c015def8 100644
--- a/charts/matrix/README.md
+++ b/charts/matrix/README.md
@@ -1,6 +1,6 @@
 # matrix
 
-![Version: 17.3.0](https://img.shields.io/badge/Version-17.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.117.0](https://img.shields.io/badge/AppVersion-v1.117.0-informational?style=flat-square)
+![Version: 17.4.0](https://img.shields.io/badge/Version-17.4.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.117.0](https://img.shields.io/badge/AppVersion-v1.117.0-informational?style=flat-square)
 
 A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 
@@ -22,7 +22,7 @@ A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 |------------|------|---------|
 | https://small-hack.github.io/coturn-chart | coturn | 7.0.4 |
 | https://small-hack.github.io/matrix-authentication-service-chart | mas(matrix-authentication-service) | 1.1.0 |
-| https://small-hack.github.io/matrix-sliding-sync-chart | syncv3(matrix-sliding-sync) | 1.0.1 |
+| https://small-hack.github.io/matrix-sliding-sync-chart | syncv3(matrix-sliding-sync) | 1.2.0 |
 | oci://registry-1.docker.io/bitnamicharts | postgresql | 16.3.1 |
 
 ## Values
diff --git a/charts/matrix/charts/matrix-sliding-sync-1.0.1.tgz b/charts/matrix/charts/matrix-sliding-sync-1.0.1.tgz
deleted file mode 100644
index 92326404..00000000
Binary files a/charts/matrix/charts/matrix-sliding-sync-1.0.1.tgz and /dev/null differ
diff --git a/charts/matrix/charts/matrix-sliding-sync-1.2.0.tgz b/charts/matrix/charts/matrix-sliding-sync-1.2.0.tgz
new file mode 100644
index 00000000..97a12be8
Binary files /dev/null and b/charts/matrix/charts/matrix-sliding-sync-1.2.0.tgz differ