diff --git a/Dockerfile b/Dockerfile
index 1c72e679..1e3a262c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,4 +16,4 @@ RUN npm install
 COPY . /usr/src/app
 
 # Run the tests and build, to make sure everything is working nicely
-RUN npm run build && npm run test
+RUN npm run build && npm run webpack && npm run test