diff --git a/compose.e2e.yaml b/compose.e2e.yaml
index c8b0f2c2..80fb7966 100644
--- a/compose.e2e.yaml
+++ b/compose.e2e.yaml
@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   keycloak:
     environment:
diff --git a/compose.override.yaml b/compose.override.yaml
index f07decc7..d40ade42 100644
--- a/compose.override.yaml
+++ b/compose.override.yaml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 # Development environment override
 services:
   php:
diff --git a/compose.prod.yaml b/compose.prod.yaml
index f7717234..dc3220c0 100644
--- a/compose.prod.yaml
+++ b/compose.prod.yaml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 # Production environment override
 services:
   php:
diff --git a/compose.yaml b/compose.yaml
index c683eb67..4dad8707 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
   php:
     image: ${IMAGES_PREFIX:-}app-php