diff --git a/cluster_node-dev.yml b/cluster_node-dev.yml
index 576365b..e13cbe8 100644
--- a/cluster_node-dev.yml
+++ b/cluster_node-dev.yml
@@ -9,7 +9,7 @@ services:
     environment:
       - MASTER_SERVER_ADDRESS=${MASTER_SERVER_ADDRESS}
       - DEBUG_MODE=${DEBUG_MODE}
-      - COMPOSE_VERSION=03r
+      - COMPOSE_VERSION=c1b
       - TZ=${TIMEZONE}
       - TOKEN=${TOKEN}
     volumes:
diff --git a/cluster_node.yml b/cluster_node.yml
index 22d002e..5fab3de 100644
--- a/cluster_node.yml
+++ b/cluster_node.yml
@@ -7,7 +7,7 @@ services:
     environment:
       - MASTER_SERVER_ADDRESS=${MASTER_SERVER_ADDRESS}
       - DEBUG_MODE=${DEBUG_MODE}
-      - COMPOSE_VERSION=03r
+      - COMPOSE_VERSION=c1b
       - TZ=${TIMEZONE}
       - TOKEN=${TOKEN}
     volumes:
diff --git a/containers/cluster_node/entrypoint.sh b/containers/cluster_node/entrypoint.sh
index ad77e0d..297ceba 100644
--- a/containers/cluster_node/entrypoint.sh
+++ b/containers/cluster_node/entrypoint.sh
@@ -1,6 +1,11 @@
 #!/bin/bash
 set -e
 
+if [[ "$COMPOSE_VERSION" != "c1b" ]]; then
+    echo "ERROR: Please upgrade your docker compose file. Exiting."
+    exit 1
+fi
+
 # Set Timezone
 if [ -n "$TZ" ]; then
     ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
diff --git a/docker-compose-no-nginx-dev.yml b/docker-compose-no-nginx-dev.yml
index 2577837..6bb0573 100644
--- a/docker-compose-no-nginx-dev.yml
+++ b/docker-compose-no-nginx-dev.yml
@@ -9,7 +9,7 @@ services:
       - SERVER_ADDRESS=${SERVER_ADDRESS}
       - DEBUG_MODE=${DEBUG_MODE}
       - DEV_MODE=True
-      - COMPOSE_VERSION=03r
+      - COMPOSE_VERSION=c1b
       - TZ=${TIMEZONE}
       - EXTRA_ALLOWED_HOSTS=${EXTRA_ALLOWED_HOSTS}
       - WIREGUARD_STATUS_CACHE_ENABLED=${WIREGUARD_STATUS_CACHE_ENABLED}
diff --git a/docker-compose-no-nginx.yml b/docker-compose-no-nginx.yml
index d851b48..1fd66d9 100644
--- a/docker-compose-no-nginx.yml
+++ b/docker-compose-no-nginx.yml
@@ -7,7 +7,7 @@ services:
     environment:
       - SERVER_ADDRESS=${SERVER_ADDRESS}
       - DEBUG_MODE=${DEBUG_MODE}
-      - COMPOSE_VERSION=03r
+      - COMPOSE_VERSION=c1b
       - TZ=${TIMEZONE}
       - EXTRA_ALLOWED_HOSTS=${EXTRA_ALLOWED_HOSTS}
       - WIREGUARD_STATUS_CACHE_ENABLED=${WIREGUARD_STATUS_CACHE_ENABLED}
diff --git a/docker-compose.yml b/docker-compose.yml
index 7093032..280d85a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,7 +7,7 @@ services:
     environment:
       - SERVER_ADDRESS=${SERVER_ADDRESS}
       - DEBUG_MODE=${DEBUG_MODE}
-      - COMPOSE_VERSION=03r
+      - COMPOSE_VERSION=c1b
       - TZ=${TIMEZONE}
       - EXTRA_ALLOWED_HOSTS=${EXTRA_ALLOWED_HOSTS}
       - WIREGUARD_STATUS_CACHE_ENABLED=${WIREGUARD_STATUS_CACHE_ENABLED}
diff --git a/entrypoint.sh b/entrypoint.sh
index c3a0869..8a3441a 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-if [[ "$COMPOSE_VERSION" != "03r" ]]; then
+if [[ "$COMPOSE_VERSION" != "c1b" ]]; then
     echo "ERROR: Please upgrade your docker compose file. Exiting."
     exit 1
 fi