diff --git a/roles/matrix-server/defaults/main.yml b/roles/matrix-server/defaults/main.yml
index 39814bc98..b96a49f28 100644
--- a/roles/matrix-server/defaults/main.yml
+++ b/roles/matrix-server/defaults/main.yml
@@ -175,8 +175,8 @@ matrix_postgres_db_name: "homeserver"
 
 matrix_postgres_data_path: "{{ matrix_base_data_path }}/postgres"
 
-matrix_postgres_docker_image_v9: "postgres:9.6.10-alpine"
-matrix_postgres_docker_image_v10: "postgres:10.5-alpine"
+matrix_postgres_docker_image_v9: "postgres:9.6.11-alpine"
+matrix_postgres_docker_image_v10: "postgres:10.6-alpine"
 matrix_postgres_docker_image_v11: "postgres:11.1-alpine"
 matrix_postgres_docker_image_latest: "{{ matrix_postgres_docker_image_v11 }}"
 
@@ -307,7 +307,7 @@ matrix_corporal_debug: false
 # you may wish to disable this.
 matrix_riot_web_enabled: true
 
-matrix_riot_web_docker_image: "avhost/docker-matrix-riot:v0.17.6"
+matrix_riot_web_docker_image: "avhost/docker-matrix-riot:v0.17.8"
 
 matrix_riot_web_data_path: "{{ matrix_base_data_path }}/riot-web"
 
@@ -366,7 +366,7 @@ matrix_mautrix_whatsapp_base_path: "{{ matrix_base_data_path }}/mautrix-whatsapp
 # and take care of proxying by yourself.
 matrix_nginx_proxy_enabled: true
 
-matrix_nginx_proxy_docker_image: "nginx:1.15.6-alpine"
+matrix_nginx_proxy_docker_image: "nginx:1.15.7-alpine"
 
 matrix_nginx_proxy_data_path: "{{ matrix_base_data_path }}/nginx-proxy"
 matrix_nginx_proxy_confd_path: "{{ matrix_nginx_proxy_data_path }}/conf.d"
@@ -390,7 +390,7 @@ matrix_ssl_base_path: "{{ matrix_base_data_path }}/ssl"
 matrix_ssl_config_dir_path: "{{ matrix_ssl_base_path }}/config"
 matrix_ssl_log_dir_path: "{{ matrix_ssl_base_path }}/log"
 matrix_ssl_support_email: "{{ host_specific_matrix_ssl_support_email }}"
-matrix_ssl_certbot_docker_image: "certbot/certbot:v0.28.0"
+matrix_ssl_certbot_docker_image: "certbot/certbot:v0.29.1"
 matrix_ssl_certbot_standalone_http_port: 2402
 matrix_ssl_use_staging: false