diff --git a/api/Dockerfile b/api/Dockerfile
index 9cbc5bc7b..3841c399c 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -22,6 +22,7 @@ RUN mkdir /root/.aws && echo '[octopus-docker]\naws_access_key_id=setkey\naws_se
 RUN mkdir -p /app
 WORKDIR /app
 COPY package.json /app
+COPY package-lock.json /app
 
 # Only npm install if we're not using act or GH Actions (where we cache)
 # ARG RUNNER