diff --git a/roles/custom/matrix-synapse/defaults/main.yml b/roles/custom/matrix-synapse/defaults/main.yml
index eba8d4472..7e78f0fa0 100644
--- a/roles/custom/matrix-synapse/defaults/main.yml
+++ b/roles/custom/matrix-synapse/defaults/main.yml
@@ -16,7 +16,7 @@ matrix_synapse_enabled: true
 matrix_synapse_github_org_and_repo: element-hq/synapse
 
 # renovate: datasource=docker depName=ghcr.io/element-hq/synapse
-matrix_synapse_version: v1.155.0
+matrix_synapse_version: v1.156.0
 
 matrix_synapse_username: ''
 matrix_synapse_uid: ''