diff --git a/docker-compose-inits.yml b/docker-compose-inits.yml
index 886aa8379..6eb47e29c 100644
--- a/docker-compose-inits.yml
+++ b/docker-compose-inits.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 x-environment:
   &default-back-environment
   POSTGRES_DB: "taiga"
diff --git a/docker-compose.penpot.yml b/docker-compose.penpot.yml
index 47fa87f30..b09b140b2 100644
--- a/docker-compose.penpot.yml
+++ b/docker-compose.penpot.yml
@@ -4,8 +4,6 @@
 # `docker-compose.penpot.env` file.
 ############################################################
 
-version: "3.5"
-
 networks:
   penpot:
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 2f803fc4d..df3c9933f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 x-environment:
   &default-back-environment
   # These environment variables will be used by taiga-back and taiga-async.