diff --git a/docker-compose/common.yml b/docker-compose/common.yml
index 5daccfd..9126063 100644
--- a/docker-compose/common.yml
+++ b/docker-compose/common.yml
@@ -16,7 +16,6 @@
 # 
 # see: https://github.com/FIWARE/helm-charts/
 #
-version: '3.9'
 services:
   # @context file is served from here
   ld-context:
diff --git a/docker-compose/orion-ld.yml b/docker-compose/orion-ld.yml
index 64f3b9d..7ee7c10 100644
--- a/docker-compose/orion-ld.yml
+++ b/docker-compose/orion-ld.yml
@@ -16,7 +16,6 @@
 # 
 # see: https://github.com/FIWARE/helm-charts/
 #
-version: '3.9'
 services:
   # Orion-LD is an NGSI-LD context broker
   orion-ld:
diff --git a/docker-compose/scorpio.yml b/docker-compose/scorpio.yml
index c1c60d3..9afe7ce 100644
--- a/docker-compose/scorpio.yml
+++ b/docker-compose/scorpio.yml
@@ -16,7 +16,6 @@
 # 
 # see: https://github.com/FIWARE/helm-charts/
 #
-version: '3.9'
 services:
   # Scorpio is an NGSI-LD context broker
   scorpio:
diff --git a/docker-compose/stellio.yml b/docker-compose/stellio.yml
index f772fb2..d004727 100644
--- a/docker-compose/stellio.yml
+++ b/docker-compose/stellio.yml
@@ -16,7 +16,6 @@
 # 
 # see: https://github.com/FIWARE/helm-charts/
 #
-version: '3.9'
 services:
   api-gateway:
     container_name: stellio-api-gateway