diff --git a/docker-compose-deposit-invenio-rdm.yml b/docker-compose-deposit-invenio-rdm.yml
index 7263035..ea5e647 100644
--- a/docker-compose-deposit-invenio-rdm.yml
+++ b/docker-compose-deposit-invenio-rdm.yml
@@ -14,7 +14,6 @@
 # limitations under the License.
 #
 # The docker-compose file to start PASS deposit services connecting to running invenioRDM docker compose.
-version: '3.8'
 
 services:
   deposit-services:
diff --git a/docker-compose-deposit.yml b/docker-compose-deposit.yml
index e0cc06e..8fa79df 100644
--- a/docker-compose-deposit.yml
+++ b/docker-compose-deposit.yml
@@ -14,7 +14,6 @@
 # limitations under the License.
 #
 # The docker-compose file to start PASS deposit services.
-version: '3.8'
 
 services:
   deposit-services:
diff --git a/docker-compose-dspace.yml b/docker-compose-dspace.yml
index b085a2f..01d8eb6 100644
--- a/docker-compose-dspace.yml
+++ b/docker-compose-dspace.yml
@@ -7,7 +7,6 @@
 #   https://github.com/DSpace/dspace-angular.git
 # The service definitions have been slightly modified to run within the PASS docker-compose process.
 #
-version: '3.8'
 
 services:
   # DSpace (backend) webapp container
diff --git a/docker-compose.yml b/docker-compose.yml
index 0e2bd9e..6ed5a8e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-version: '3.8'
 
 # The base docker-compose file for eclipse-pass.org deployments
 # DO NOT CALL THIS directly, instead look at specific environments
diff --git a/dspace-cli.ingest.yml b/dspace-cli.ingest.yml
index 6a4a04d..0286186 100644
--- a/dspace-cli.ingest.yml
+++ b/dspace-cli.ingest.yml
@@ -7,7 +7,6 @@
 # https://github.com/DSpace/DSpace/blob/main/dspace/src/main/docker-compose/cli.ingest.yml
 #
 # Therefore, it should be kept in sync with that file
-version: "3.7"
 
 services:
   dspace-cli:
diff --git a/dspace-cli.yml b/dspace-cli.yml
index 3accf60..2e3eed6 100644
--- a/dspace-cli.yml
+++ b/dspace-cli.yml
@@ -7,7 +7,6 @@
 # https://github.com/DSpace/DSpace/blob/main/docker-compose-cli.yml
 #
 # Therefore, it should be kept in sync with that file
-version: "3.7"
 
 services:
   dspace-cli:
diff --git a/eclipse-pass.JHUAWSdemo.yml b/eclipse-pass.JHUAWSdemo.yml
index 64ce076..fb4ef18 100644
--- a/eclipse-pass.JHUAWSdemo.yml
+++ b/eclipse-pass.JHUAWSdemo.yml
@@ -1,6 +1,5 @@
 # Manages the demo.eclipse-pass.org deploy
 # `docker compose -f docker-compose.yml -f eclipse-pass.local.yml -f eclipse-pass.JHUAWSdemo.yml up`
-version: '3.8'
 
 services:
   pass-core: