diff --git a/angular/docker-compose.yaml b/angular/docker-compose.yaml
index d13efd9..ce1eb2f 100644
--- a/angular/docker-compose.yaml
+++ b/angular/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   web:
     build: angular
diff --git a/apache-php/docker-compose.yaml b/apache-php/docker-compose.yaml
index abe221f..d4455ce 100644
--- a/apache-php/docker-compose.yaml
+++ b/apache-php/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   web:
     build: app
diff --git a/aspnet-mssql/docker-compose.yaml b/aspnet-mssql/docker-compose.yaml
index cfb9702..7f39ada 100644
--- a/aspnet-mssql/docker-compose.yaml
+++ b/aspnet-mssql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   web:
     build: app
diff --git a/django/docker-compose.yml b/django/docker-compose.yml
index 111ba72..17ceafd 100644
--- a/django/docker-compose.yml
+++ b/django/docker-compose.yml
@@ -1,5 +1,4 @@
-version: '3.7' 
-services: 
+services:
   web: 
     build: app 
     ports: 
diff --git a/elasticsearch-logstash-kibana/docker-compose.yml b/elasticsearch-logstash-kibana/docker-compose.yml
index 560212a..68812ef 100644
--- a/elasticsearch-logstash-kibana/docker-compose.yml
+++ b/elasticsearch-logstash-kibana/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   elasticsearch:
     image: elasticsearch:7.8.0
diff --git a/flask/docker-compose.yml b/flask/docker-compose.yml
index 8d861ab..830c446 100644
--- a/flask/docker-compose.yml
+++ b/flask/docker-compose.yml
@@ -1,5 +1,4 @@
-version: '3' 
-services: 
+services:
   web: 
     build: app 
     ports: 
diff --git a/gitea-postgres/docker-compose.yaml b/gitea-postgres/docker-compose.yaml
index 56ff0a3..1f3e19c 100644
--- a/gitea-postgres/docker-compose.yaml
+++ b/gitea-postgres/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   gitea:
     image: gitea/gitea:latest
diff --git a/minecraft/docker-compose.yml b/minecraft/docker-compose.yml
index 7718b9c..1fe1df7 100644
--- a/minecraft/docker-compose.yml
+++ b/minecraft/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
  minecraft:
    image: itzg/minecraft-server
diff --git a/nextcloud-postgres/docker-compose.yaml b/nextcloud-postgres/docker-compose.yaml
index e2b09e2..b63f473 100644
--- a/nextcloud-postgres/docker-compose.yaml
+++ b/nextcloud-postgres/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   nc:
     image: nextcloud:apache
diff --git a/nextcloud-redis-mariadb/docker-compose.yaml b/nextcloud-redis-mariadb/docker-compose.yaml
index 7470b59..48ce85a 100644
--- a/nextcloud-redis-mariadb/docker-compose.yaml
+++ b/nextcloud-redis-mariadb/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   nc:
     image: nextcloud:apache
diff --git a/nginx-flask-mongo/docker-compose.yaml b/nginx-flask-mongo/docker-compose.yaml
index f673c3d..7ac81f0 100644
--- a/nginx-flask-mongo/docker-compose.yaml
+++ b/nginx-flask-mongo/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   web:
     image: nginx
diff --git a/nginx-flask-mysql/docker-compose.yaml b/nginx-flask-mysql/docker-compose.yaml
index 3b406ed..5282575 100644
--- a/nginx-flask-mysql/docker-compose.yaml
+++ b/nginx-flask-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   db:
     image: mysql:8.0.19
diff --git a/nginx-golang-mysql/docker-compose.yaml b/nginx-golang-mysql/docker-compose.yaml
index 9423a67..fd5a558 100644
--- a/nginx-golang-mysql/docker-compose.yaml
+++ b/nginx-golang-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build: backend
diff --git a/nginx-golang-postgres/docker-compose.yaml b/nginx-golang-postgres/docker-compose.yaml
index bd5dd42..7a1f9b1 100644
--- a/nginx-golang-postgres/docker-compose.yaml
+++ b/nginx-golang-postgres/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build: backend
diff --git a/nginx-golang/docker-compose.yml b/nginx-golang/docker-compose.yml
index a3d6912..a580242 100644
--- a/nginx-golang/docker-compose.yml
+++ b/nginx-golang/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   frontend:
     build: frontend
diff --git a/prometheus-grafana/docker-compose.yml b/prometheus-grafana/docker-compose.yml
index bd6bf86..24369bc 100644
--- a/prometheus-grafana/docker-compose.yml
+++ b/prometheus-grafana/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   prometheus:
     image: prom/prometheus
diff --git a/react-express-mongodb/docker-compose.yml b/react-express-mongodb/docker-compose.yml
index 1056cf1..c19fa28 100644
--- a/react-express-mongodb/docker-compose.yml
+++ b/react-express-mongodb/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   frontend:
     build: frontend
diff --git a/react-express-mysql/docker-compose.yaml b/react-express-mysql/docker-compose.yaml
index 29a149c..3f9c6e8 100644
--- a/react-express-mysql/docker-compose.yaml
+++ b/react-express-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build:
diff --git a/react-java-mysql/docker-compose.yaml b/react-java-mysql/docker-compose.yaml
index b1998a4..c57e024 100644
--- a/react-java-mysql/docker-compose.yaml
+++ b/react-java-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build: backend
diff --git a/react-rust-postgres/docker-compose.yaml b/react-rust-postgres/docker-compose.yaml
index 263ed2b..ebf4cef 100644
--- a/react-rust-postgres/docker-compose.yaml
+++ b/react-rust-postgres/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   frontend:
     build:
diff --git a/sparkjava-mysql/docker-compose.yaml b/sparkjava-mysql/docker-compose.yaml
index 3cdef5c..44fdc66 100644
--- a/sparkjava-mysql/docker-compose.yaml
+++ b/sparkjava-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build: backend
diff --git a/sparkjava/docker-compose.yaml b/sparkjava/docker-compose.yaml
index 974ff61..55482c2 100644
--- a/sparkjava/docker-compose.yaml
+++ b/sparkjava/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   sparkjava:
     build: sparkjava
diff --git a/spring-postgres/docker-compose.yaml b/spring-postgres/docker-compose.yaml
index 9595e59..9d51d0f 100644
--- a/spring-postgres/docker-compose.yaml
+++ b/spring-postgres/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   backend:
     build: backend
diff --git a/traefik-golang/docker-compose.yml b/traefik-golang/docker-compose.yml
index 1032869..f4fb961 100644
--- a/traefik-golang/docker-compose.yml
+++ b/traefik-golang/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   frontend:
     image: traefik:2.2
diff --git a/vuejs/docker-compose.yaml b/vuejs/docker-compose.yaml
index 947e6f5..e7dbb11 100644
--- a/vuejs/docker-compose.yaml
+++ b/vuejs/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   web:
     build: vuejs
diff --git a/wordpress-mysql/docker-compose.yaml b/wordpress-mysql/docker-compose.yaml
index 5fddc1a..eb7ca1a 100644
--- a/wordpress-mysql/docker-compose.yaml
+++ b/wordpress-mysql/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   db:
     image: mysql:8.0.19