diff --git a/synapse_rock/rockcraft.yaml b/synapse_rock/rockcraft.yaml
index f0a5f4446..36ada8ec2 100644
--- a/synapse_rock/rockcraft.yaml
+++ b/synapse_rock/rockcraft.yaml
@@ -112,7 +112,7 @@ parts:
     plugin: nil
     source: https://github.com/element-hq/synapse/
     source-type: git
-    source-tag: v1.128.0
+    source-tag: v1.129.0
     build-environment:
       - RUST_VERSION: "1.76.0"
       - POETRY_VERSION: "1.7.1"