diff --git a/charts/matrix/Chart.lock b/charts/matrix/Chart.lock
index a190077c..53600477 100644
--- a/charts/matrix/Chart.lock
+++ b/charts/matrix/Chart.lock
@@ -7,6 +7,6 @@ dependencies:
   version: 7.1.0
 - name: matrix-authentication-service
   repository: https://small-hack.github.io/matrix-authentication-service-chart
-  version: 1.2.0
-digest: sha256:c133496032cca78fc32f3653a150a71e2d74294d3b27b9d320d50a157de0be74
-generated: "2024-12-15T16:12:26.049698271Z"
+  version: 1.3.1
+digest: sha256:6b0142f382eb3594972bb20f9b355bcc3ae1469b394577691a9724fbd4157e9e
+generated: "2025-01-19T15:10:37.052774754Z"
diff --git a/charts/matrix/Chart.yaml b/charts/matrix/Chart.yaml
index 9fc7a58c..81016d63 100644
--- a/charts/matrix/Chart.yaml
+++ b/charts/matrix/Chart.yaml
@@ -8,7 +8,7 @@ sources:
 
 type: application
 
-version: 18.3.1
+version: 18.4.0
 
 # renovate: image=ghcr.io/element-hq/synapse
 appVersion: v1.122.0
@@ -30,6 +30,6 @@ dependencies:
 
   - name: matrix-authentication-service
     alias: mas
-    version: 1.2.0
+    version: 1.3.1
     repository: https://small-hack.github.io/matrix-authentication-service-chart
     condition: mas.enabled
diff --git a/charts/matrix/README.md b/charts/matrix/README.md
index 1f593c5e..07cb9268 100644
--- a/charts/matrix/README.md
+++ b/charts/matrix/README.md
@@ -1,6 +1,6 @@
 # matrix
 
-![Version: 18.3.1](https://img.shields.io/badge/Version-18.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.122.0](https://img.shields.io/badge/AppVersion-v1.122.0-informational?style=flat-square)
+![Version: 18.4.0](https://img.shields.io/badge/Version-18.4.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.122.0](https://img.shields.io/badge/AppVersion-v1.122.0-informational?style=flat-square)
 
 A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 
@@ -21,7 +21,7 @@ A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 | Repository | Name | Version |
 |------------|------|---------|
 | https://small-hack.github.io/coturn-chart | coturn | 7.1.0 |
-| https://small-hack.github.io/matrix-authentication-service-chart | mas(matrix-authentication-service) | 1.2.0 |
+| https://small-hack.github.io/matrix-authentication-service-chart | mas(matrix-authentication-service) | 1.3.1 |
 | oci://registry-1.docker.io/bitnamicharts | postgresql | 16.3.1 |
 
 ## Values
diff --git a/charts/matrix/charts/matrix-authentication-service-1.2.0.tgz b/charts/matrix/charts/matrix-authentication-service-1.2.0.tgz
deleted file mode 100644
index 3594c431..00000000
Binary files a/charts/matrix/charts/matrix-authentication-service-1.2.0.tgz and /dev/null differ
diff --git a/charts/matrix/charts/matrix-authentication-service-1.3.1.tgz b/charts/matrix/charts/matrix-authentication-service-1.3.1.tgz
new file mode 100644
index 00000000..2d262461
Binary files /dev/null and b/charts/matrix/charts/matrix-authentication-service-1.3.1.tgz differ