diff --git a/deployment/portable/docker-compose.infrastructure-cpu.yml b/deployment/portable/docker-compose.infrastructure-cpu.yml
index 05f4a6f5e..218b4fd3c 100644
--- a/deployment/portable/docker-compose.infrastructure-cpu.yml
+++ b/deployment/portable/docker-compose.infrastructure-cpu.yml
@@ -204,7 +204,7 @@ services:
       - xyne
 
   promtail:
-    image: grafana/promtail:3.4.1
+    image: grafana/promtail:3.5.7
     container_name: promtail
     user: "0:${DOCKER_GROUP_ID:-999}"  # root user with docker group for socket access
     depends_on:
diff --git a/deployment/portable/docker-compose.infrastructure.yml b/deployment/portable/docker-compose.infrastructure.yml
index 6500d9e3f..dd615e45d 100644
--- a/deployment/portable/docker-compose.infrastructure.yml
+++ b/deployment/portable/docker-compose.infrastructure.yml
@@ -209,7 +209,7 @@ services:
       - xyne
 
   promtail:
-    image: grafana/promtail:3.4.1
+    image: grafana/promtail:3.5.7
     container_name: promtail
     user: "0:${DOCKER_GROUP_ID:-999}"  # root user with docker group for socket access
     depends_on: