diff --git a/puppet_agent/docker-compose.yml b/puppet_agent/docker-compose.yml
index 4030346..199fa7b 100644
--- a/puppet_agent/docker-compose.yml
+++ b/puppet_agent/docker-compose.yml
@@ -8,4 +8,6 @@ services:
       - PUPPET_SERVER=active.home.lan
     volumes:
       - data:/etc/puppetlabs/puppet
-    command: ["puppet", "agent", "-t"]
\ No newline at end of file
+    command: ["puppet", "agent", "-t"]
+volumes:
+  data:
\ No newline at end of file