diff --git a/Dockerfile b/Dockerfile
index 0fb96ba..7613720 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ ENV DENO_DEPLOYMENT_ID=${GIT_REVISION}
 WORKDIR /app
 
 COPY . .
-RUN deno install --allow-scripts=npm:sharp@next && deno task build
+RUN deno install --allow-scripts=npm:sharp@0.33.5-rc.1 && deno task build
 
 EXPOSE 8000