diff --git a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
index 06a36e55a..33e666dfc 100644
--- a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
@@ -31,7 +31,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: matrix-synapse
-    version: 3.12.3
+    version: 3.12.4
     repository: https://ananace.gitlab.io/charts
   - name: app-template
     alias: matrix-hookshot