diff --git a/docker-compose.api-test.yml b/docker-compose.api-test.yml
index f3a8b1a9..3f601210 100644
--- a/docker-compose.api-test.yml
+++ b/docker-compose.api-test.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   frontend:
     # use nginx as a mock frontend since the frontend isn't built or used at this stage
diff --git a/docker-compose.frontend-test.yml b/docker-compose.frontend-test.yml
index fd27b7de..758cd794 100644
--- a/docker-compose.frontend-test.yml
+++ b/docker-compose.frontend-test.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   frontend-test-runner:
     image: wycliffeassociates/doc-ui-tests:local
diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 3c6bfa7c..1d4d9dec 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   api:
     volumes:
diff --git a/docker-compose.yml b/docker-compose.yml
index cbbe1eb0..555d459b 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   redis:
     image: redis:latest