diff --git a/coreos-config/plays/services/prometheus/docker-compose.yaml b/coreos-config/plays/services/prometheus/docker-compose.yaml
index 6f1a1d3..adf3f8c 100644
--- a/coreos-config/plays/services/prometheus/docker-compose.yaml
+++ b/coreos-config/plays/services/prometheus/docker-compose.yaml
@@ -163,6 +163,8 @@ services:
     image: grafana/loki:2.8.0
     restart: unless-stopped
     command: -config.file=/etc/loki/local-config.yaml
+    volumes:
+      - "loki_data:/loki"
     networks:
       - backend
 
@@ -184,6 +186,7 @@ services:
 volumes:
   prom_data:
   grafana_data:
+  loki_data:
   label_discovery:
   alertmanager_data:
 networks: