diff --git a/roles/custom/matrix-synapse/defaults/main.yml b/roles/custom/matrix-synapse/defaults/main.yml
index 89ce3e9bd..67f992446 100644
--- a/roles/custom/matrix-synapse/defaults/main.yml
+++ b/roles/custom/matrix-synapse/defaults/main.yml
@@ -4,7 +4,7 @@
 
 matrix_synapse_enabled: true
 
-matrix_synapse_version: v1.90.0
+matrix_synapse_version: v1.91.0
 
 matrix_synapse_username: ''
 matrix_synapse_uid: ''