diff --git a/docker-compose-elastic-cloud.yml b/docker-compose-elastic-cloud.yml
index 37a9fd6..45b7c23 100644
--- a/docker-compose-elastic-cloud.yml
+++ b/docker-compose-elastic-cloud.yml
@@ -1,4 +1,3 @@
-version: "2.1"
 services:
   opbeans-ruby:
     build: .
@@ -77,7 +76,7 @@ services:
       - POSTGRES_PASSWORD=hunter2
       - POSTGRES_DB=opbeans
     volumes:
-      - pgdata:/var/lib/postgresql/data
+      - pgdata:/var/lib/postgresql
     ports:
       - "127.0.0.1:5432:5432"
     healthcheck:
diff --git a/docker-compose.yml b/docker-compose.yml
index 8386aa8..7c3bc5b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "2.1"
 services:
   opbeans-ruby:
     build: .
@@ -127,7 +126,7 @@ services:
       - POSTGRES_PASSWORD=hunter2
       - POSTGRES_DB=opbeans
     volumes:
-      - pgdata:/var/lib/postgresql/data
+      - pgdata:/var/lib/postgresql
     ports:
       - "127.0.0.1:5432:5432"
     healthcheck: