diff --git a/tasks/main.yml b/tasks/main.yml
index db4166a..f8df4bc 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -52,5 +52,6 @@
 - name: start sentry
   docker_compose:
     project_src: '{{ app_dir }}'
-    build: false
-    restarted: true
+    # Note: docker-compose versions <=1.28 load the env file from the current working
+    #  directory of the docker-compose command rather than project_src.
+    env_file: '{{ app_dir }}/.env'