diff --git a/testing/matrix-sdk-integration-testing/assets/Dockerfile b/testing/matrix-sdk-integration-testing/assets/Dockerfile
index 5032ac7a2..9d91e23e0 100644
--- a/testing/matrix-sdk-integration-testing/assets/Dockerfile
+++ b/testing/matrix-sdk-integration-testing/assets/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/matrixdotorg/synapse:v1.117.0
+FROM docker.io/matrixdotorg/synapse:v1.151.0
 ADD ci-start.sh /ci-start.sh
 RUN chmod 770 /ci-start.sh
 ENTRYPOINT /ci-start.sh