diff --git a/docker-compose.yml b/docker-compose.yml
index a870ab9d30758a88271fe1444bec2038af9896ae..5f5a918553f3afcc7554abd9ed9ff0cf48bd948e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -30,7 +30,7 @@ services:
       TRUSTED_PROXY:
       REMOTES:
     networks:
-      - postfix-test
+      - postfix
       - default
 
   postfix:
@@ -45,7 +45,7 @@ services:
       - "./log/postfix:/var/log/postfix"
       - "spool_postfix:/var/spool/postfix"
     networks:
-      - postfix-test
+      - postfix
     environment:
       POSTFIX_VIRTUAL_DOMAINS:
       MAILNAME:
@@ -62,7 +62,7 @@ services:
 
 
   pgsql:
-    image: postgres
+    image: postgres:14
     restart: always
     environment:
       POSTGRES_PASSWORD: ${SYMPA_DB_PASSWD}
@@ -79,7 +79,7 @@ volumes:
   lib_sympa:
 
 networks:
-  postfix-test:
+  postfix:
     ipam:
       config:
-        - subnet: 10.45.0.0/16
+        - subnet: 10.42.0.0/16
diff --git a/shared.yml b/shared.yml
index 69d20729503f90b0002baf332e278821f8317c70..e665647e67dfbfa7181237b29e426517917393a2 100644
--- a/shared.yml
+++ b/shared.yml
@@ -4,7 +4,7 @@ services:
   sympa:
     networks:
       - default
-      - postfix-test
+      - postfix
       - dolibarr_shared
 
 networks: