diff --git a/roles/matrix-server/defaults/main.yml b/roles/matrix-server/defaults/main.yml
index f1d3899f..85a04235 100644
--- a/roles/matrix-server/defaults/main.yml
+++ b/roles/matrix-server/defaults/main.yml
@@ -59,11 +59,11 @@ matrix_coturn_config_path: "{{ matrix_coturn_base_path }}/turnserver.conf"
 matrix_scratchpad_dir: "{{ matrix_base_data_path }}/scratchpad"
 
 
-matrix_docker_image_postgres_v9: "postgres:9.6.9-alpine"
-matrix_docker_image_postgres_v10: "postgres:10.4-alpine"
+matrix_docker_image_postgres_v9: "postgres:9.6.10-alpine"
+matrix_docker_image_postgres_v10: "postgres:10.5-alpine"
 matrix_docker_image_postgres_latest: "{{ matrix_docker_image_postgres_v10 }}"
 
-matrix_docker_image_synapse: "matrixdotorg/synapse:v0.33.1"
+matrix_docker_image_synapse: "matrixdotorg/synapse:v0.33.2"
 matrix_docker_image_nginx: "nginx:1.15.2-alpine"
 matrix_docker_image_riot: "avhost/docker-matrix-riot:v0.16.0"
 matrix_docker_image_s3fs: "xueshanf/s3fs:latest"