diff --git a/Dockerfile b/Dockerfile
index 56bffb6..53f5096 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ ENV DENO_DEPLOYMENT_ID=${GIT_REVISION}
 WORKDIR /app
 
 COPY . .
-RUN deno cache main.ts && deno task build
+RUN deno --allow-import --allow-scripts=npm:sharp@0.33.5-rc.1 install && deno task build
 
 EXPOSE 8000