diff --git a/docker-compose.yaml b/docker-compose.yaml
index c3fece5e2..26d6c52b3 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
     spqr-shard-image:
         image: spqr-shard-image
diff --git a/test/drivers/gorm-regress/docker-compose.yaml b/test/drivers/gorm-regress/docker-compose.yaml
index 473cf82ae..ca816e3d8 100644
--- a/test/drivers/gorm-regress/docker-compose.yaml
+++ b/test/drivers/gorm-regress/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
   shard1:
     image: spqr-shard-image
diff --git a/test/drivers/hibernate-regress/docker-compose.yaml b/test/drivers/hibernate-regress/docker-compose.yaml
index e70ab6ae8..f216b9b7c 100644
--- a/test/drivers/hibernate-regress/docker-compose.yaml
+++ b/test/drivers/hibernate-regress/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
   shard1:
     image: spqr-shard-image
diff --git a/test/drivers/jdbc-regress/docker-compose.yaml b/test/drivers/jdbc-regress/docker-compose.yaml
index be82ba40e..093723bac 100644
--- a/test/drivers/jdbc-regress/docker-compose.yaml
+++ b/test/drivers/jdbc-regress/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
   shard1:
     image: spqr-shard-image
diff --git a/test/feature/docker-compose.yaml b/test/feature/docker-compose.yaml
index 0bf800f4b..d760e836b 100644
--- a/test/feature/docker-compose.yaml
+++ b/test/feature/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: '3.9'
-
 services:
   shard1:
     image: spqr-shard-image
diff --git a/test/regress/docker-compose.yaml b/test/regress/docker-compose.yaml
index a2199f690..da69ff3c3 100644
--- a/test/regress/docker-compose.yaml
+++ b/test/regress/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
     shard1:
         image: spqr-shard-image
diff --git a/test/stress/docker-compose.yaml b/test/stress/docker-compose.yaml
index aefbfd6cf..952875658 100644
--- a/test/stress/docker-compose.yaml
+++ b/test/stress/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
     shard1:
         image:
diff --git a/test/xproto/docker-compose.yaml b/test/xproto/docker-compose.yaml
index b9db061f7..23f2b3409 100644
--- a/test/xproto/docker-compose.yaml
+++ b/test/xproto/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3.9"
 services:
     shard1:
         image: spqr-shard-image