diff --git a/docker-compose.yml b/docker-compose.yml
index 4b72012dfc1..ac2f0d057a1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,6 +2,7 @@ version: "3"
 services:
   emulator:
     image: opentrons:latest
+    build .
     command: python3 -m opentrons.hardware_control.emulation.app
     ports:
      - "9996:9996"