diff --git a/docker-compose.yml b/docker-compose.yml
index bb50131..3b1707b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,7 +14,7 @@ services:
       - var_lib_mysql:/var/lib/mysql
 
   slurmdbd:
-    image: cc-docker:${IMAGE_TAG:-22.05}
+    image: cc-docker:22.05
     build:
       context: .
       args:
@@ -32,7 +32,7 @@ services:
       - mysql
 
   slurmctld:
-    image: cc-docker:${IMAGE_TAG:22.05}
+    image: cc-docker:22.05
     command: ["slurmctld"]
     container_name: slurmctld
     hostname: slurmctld
@@ -47,7 +47,7 @@ services:
       - "slurmdbd"
 
   c1:
-    image: cc-docker:${IMAGE_TAG:22.05}
+    image: cc-docker:22.05
     command: ["slurmd"]
     hostname: c1
     container_name: c1
@@ -62,7 +62,7 @@ services:
       - "slurmctld"
 
   c2:
-    image: cc-docker:${IMAGE_TAG:22.05}
+    image: cc-docker:22.05
     command: ["slurmd"]
     hostname: c2
     container_name: c2