diff --git a/drone-runner/docker-compose.yml b/drone-runner/docker-compose.yml
index a59134b..697d4da 100644
--- a/drone-runner/docker-compose.yml
+++ b/drone-runner/docker-compose.yml
@@ -6,7 +6,8 @@ services:
     image: "drone/drone-runner-docker:${IMAGE_VERSION:-1}"
     container_name: drone-runner
     volumes:
-      - "${HOST_DATA_DIR:-./data}:/data"
+      # Mounting Docker socket inside the container to control temporary Docker containers from runner.
+      - "/var/run/docker.sock:/var/run/docker.sock"
     ports:
       # Optional, used for dashboard:
       # https://discourse.drone.io/t/drone-agent-port/5914/5