diff --git a/webserver/docker_matrix/templates/Dockerfile b/webserver/docker_matrix/templates/Dockerfile
index 556096b424e310e03c0fccae9a1fc956f2cb9fda..e53e8e071de9ad70e93c7492143b7318baf33ce8 100644
--- a/webserver/docker_matrix/templates/Dockerfile
+++ b/webserver/docker_matrix/templates/Dockerfile
@@ -1,4 +1,4 @@
-FROM matrixdotorg/synapse:v1.7.3-py3
+FROM matrixdotorg/synapse:v1.9.0-py3
 
 RUN apk add curl 
 RUN export PYTHON_MINOR_VERSION=$(echo "${PYTHON_VERSION}" | rev | cut -d"." -f2-  | rev) ; \