diff --git a/clusters/cl01tl/helm/matrix-synapse/values.yaml b/clusters/cl01tl/helm/matrix-synapse/values.yaml
index f74ff08dd..e67aac2de 100644
--- a/clusters/cl01tl/helm/matrix-synapse/values.yaml
+++ b/clusters/cl01tl/helm/matrix-synapse/values.yaml
@@ -133,7 +133,7 @@ matrix-synapse:
     gid: 666
     image:
       repository: alpine
-      tag: 3.23.3@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659
+      tag: 3.23.4@sha256:c7989ac7a27b473e1795973c98d714f62b4dd0b134594d36880505ce0bfd716b
   ingress:
     enabled: false
   gateway: