diff --git a/docker/Dockerfile.heroku b/docker/Dockerfile.heroku
new file mode 100644
index 00000000..016c0d0f
--- /dev/null
+++ b/docker/Dockerfile.heroku
@@ -0,0 +1 @@
+FROM doccano/doccano:master
diff --git a/heroku.yml b/heroku.yml
index a28208b9..10dd4b04 100644
--- a/heroku.yml
+++ b/heroku.yml
@@ -1,5 +1,5 @@
 build:
   docker:
-    web: Dockerfile
+    web: docker/Dockerfile.heroku
 run:
   web: /doccano/tools/run.sh