diff --git a/docker-compose-mysql.yaml b/docker-compose-mysql.yaml
index bc739b7..269cd72 100644
--- a/docker-compose-mysql.yaml
+++ b/docker-compose-mysql.yaml
@@ -2,7 +2,7 @@ version: '2'
 
 services:
   mailman-core:
-    image: maxking/mailman-core:0.4
+    image: maxking/mailman-core:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-core
     hostname: mailman-core
     volumes:
@@ -23,7 +23,7 @@ services:
       mailman:
 
   mailman-web:
-    image: maxking/mailman-web:0.4
+    image: maxking/mailman-web:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-web
     hostname: mailman-web
     depends_on:
diff --git a/docker-compose-postorius.yaml b/docker-compose-postorius.yaml
index 64f0af2..3bcfff7 100644
--- a/docker-compose-postorius.yaml
+++ b/docker-compose-postorius.yaml
@@ -2,7 +2,7 @@ version: '2'
 
 services:
   mailman-core:
-    image: maxking/mailman-core:0.4
+    image: maxking/mailman-core:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-core
     hostname: mailman-core
     volumes:
@@ -23,7 +23,7 @@ services:
       mailman:
 
   mailman-web:
-    image: maxking/postorius:0.4
+    image: maxking/postorius:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-web
     hostname: mailman-web
     depends_on:
@@ -63,4 +63,4 @@ networks:
       driver: default
       config:
       -
-        subnet: 172.19.199.0/24
\ No newline at end of file
+        subnet: 172.19.199.0/24
diff --git a/docker-compose.yaml b/docker-compose.yaml
index edb0290..58d1d78 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -2,7 +2,7 @@ version: '2'
 
 services:
   mailman-core:
-    image: maxking/mailman-core:0.4
+    image: maxking/mailman-core:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-core
     hostname: mailman-core
     volumes:
@@ -24,7 +24,7 @@ services:
       mailman:
 
   mailman-web:
-    image: maxking/mailman-web:0.4
+    image: maxking/mailman-web:0.4 # Use a specific version tag (tag latest is not published)
     container_name: mailman-web
     hostname: mailman-web
     depends_on: