diff --git a/webserver/docker_keycloak/templates/docker-compose.yml b/webserver/docker_keycloak/templates/docker-compose.yml
index b89a0449575cb6eaeb36c75f19986341c9adec25..b4c22755872cf7cc458acb83b8b91f0413912ddd 100644
--- a/webserver/docker_keycloak/templates/docker-compose.yml
+++ b/webserver/docker_keycloak/templates/docker-compose.yml
@@ -36,7 +36,7 @@ services:
 
   db:
 
-    image: postgres:13.6
+    image: postgres:15.4
     restart: always
     volumes:
       - /srv/keycloak/db:/var/lib/postgresql/data
diff --git a/webserver/docker_matrix/templates/docker-compose.yml b/webserver/docker_matrix/templates/docker-compose.yml
index d8392105790d6ad5cd97b9ea2fa43e2479950877..b68b2fa5e2fdd77c776299e8b35696ec587bed1d 100644
--- a/webserver/docker_matrix/templates/docker-compose.yml
+++ b/webserver/docker_matrix/templates/docker-compose.yml
@@ -10,7 +10,7 @@ services:
 
   db:
 
-    image: postgres:13.11
+    image: postgres:15.4
     restart: always
     volumes:
       - /srv/matrix/db:/var/lib/postgresql/data