diff --git a/dev.yml b/dev.yml
index fd7dfa48ad42a4d69cebfac2aaeeb9bd7f7d6c45..62c659f93302e95d22aeb2832b5b338b9fc3964d 100644
--- a/dev.yml
+++ b/dev.yml
@@ -1,4 +1,4 @@
-version: "3.3"
+version: "3.4"
 services:
   httpd:
     build:
diff --git a/docker-compose.yml b/docker-compose.yml
index 3a4fbec5033b25dc954a77170d09215251df5dbb..d2adda119b334899d0fb8cbc2af54b12148e3868 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "3.3"
+version: "3.4"
 services:
   httpd:
     build:
diff --git a/traefik.yml b/traefik.yml
index 5dab8fecd11eba758d2e5308674fac75fe4007c8..919780fddcd633fee334b6db54434b5d317d6c94 100644
--- a/traefik.yml
+++ b/traefik.yml
@@ -1,4 +1,4 @@
-version: "3.3"
+version: "3.4"
 services:
   httpd:
     networks: