diff --git a/development/docker-compose.smtp.yml b/development/docker-compose.smtp.yml
index 0d8f3aa..7b6f71d 100644
--- a/development/docker-compose.smtp.yml
+++ b/development/docker-compose.smtp.yml
@@ -2,7 +2,7 @@ version: "3.9"
 
 services:
   maildev:
-    image: maildev/maildev:latest
+    image: maildev/maildev:2.1.0
     ports:
       - "1080:1080"
     networks:
diff --git a/development/fake-cht/docker-compose.fake-cht.yml b/development/fake-cht/docker-compose.fake-cht.yml
index 50af308..d464f39 100644
--- a/development/fake-cht/docker-compose.fake-cht.yml
+++ b/development/fake-cht/docker-compose.fake-cht.yml
@@ -5,7 +5,7 @@ volumes:
 
 services:
   fake-cht:
-    image: node:latest
+    image: node:lts-alpine
     user: "node"
     working_dir: /home/node/app
     volumes:
@@ -17,7 +17,7 @@ services:
              npm start"
 
   postgres:
-    image: postgres:latest
+    image: postgres:15
     environment:
       POSTGRES_DB: cht
       POSTGRES_USER: postgres_root