diff --git a/test-network/addOrg3/docker/docker-compose-ca-org3.yaml b/test-network/addOrg3/docker/docker-compose-ca-org3.yaml
index 898a19b1..de2ee906 100644
--- a/test-network/addOrg3/docker/docker-compose-ca-org3.yaml
+++ b/test-network/addOrg3/docker/docker-compose-ca-org3.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 networks:
   test:
diff --git a/test-network/addOrg3/docker/docker-compose-couch-org3.yaml b/test-network/addOrg3/docker/docker-compose-couch-org3.yaml
index b91296c5..9a1856ec 100644
--- a/test-network/addOrg3/docker/docker-compose-couch-org3.yaml
+++ b/test-network/addOrg3/docker/docker-compose-couch-org3.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 networks:
   test:
diff --git a/test-network/addOrg3/docker/docker-compose-org3.yaml b/test-network/addOrg3/docker/docker-compose-org3.yaml
index dfa32e10..d9c9d782 100644
--- a/test-network/addOrg3/docker/docker-compose-org3.yaml
+++ b/test-network/addOrg3/docker/docker-compose-org3.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 volumes:
   peer0.org3.example.com:
diff --git a/test-network/docker/docker-compose-ca.yaml b/test-network/docker/docker-compose-ca.yaml
index 5befe180..b8c44ed1 100644
--- a/test-network/docker/docker-compose-ca.yaml
+++ b/test-network/docker/docker-compose-ca.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 networks:
   test:
diff --git a/test-network/docker/docker-compose-couch.yaml b/test-network/docker/docker-compose-couch.yaml
index 60f8c0ac..6176f40e 100644
--- a/test-network/docker/docker-compose-couch.yaml
+++ b/test-network/docker/docker-compose-couch.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 networks:
   test:
diff --git a/test-network/docker/docker-compose-test-net.yaml b/test-network/docker/docker-compose-test-net.yaml
index 837b01e3..90ab2440 100644
--- a/test-network/docker/docker-compose-test-net.yaml
+++ b/test-network/docker/docker-compose-test-net.yaml
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-version: '2'
+version: '2.1'
 
 volumes:
   orderer.example.com: