diff --git a/docker-compose.mitm.yaml b/docker-compose.mitm.yaml
index 991980d01..766cf6f7c 100644
--- a/docker-compose.mitm.yaml
+++ b/docker-compose.mitm.yaml
@@ -1,5 +1,4 @@
 # Only used for dev atm!
-version: "3"
 services:
   ## Running in Docker slows down development a lot, so this is only kept for reference here.
   # nextjs:
@@ -38,7 +37,7 @@ services:
     restart: "always"
 
   db:
-    image: "postgres:11"
+    image: "postgres:18-alpine"
     ports:
       - "5432:5432"
     environment:
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 797fb0e42..00a0838d2 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,5 +1,4 @@
 # Only used for dev atm!
-version: "3"
 services:
   ## Running in Docker slows down development a lot, so this is only kept for reference here.
   # nextjs:
@@ -16,7 +15,7 @@ services:
   #     DATABASE_URL: "postgres://postgres:password@db:5432/template1"
   #   restart: "always"
   db:
-    image: "postgres:11"
+    image: "postgres:18-alpine"
     ports:
       - "5432:5432"
     environment: