diff --git a/Dockerfile b/Dockerfile
index 73b9590..aed6461 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM python:3-alpine
-RUN apk upgrade --no-cache && apk add --no-cache libjpeg zlib
+RUN apk upgrade --no-cache && apk add --no-cache zlib-dev
 WORKDIR /app
 COPY requirements.txt /app/
 RUN pip install --no-cache-dir --upgrade -r requirements.txt