diff --git a/Dockerfile b/Dockerfile
index f66cdf6..744bcbd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM python:3.8-slim
 
-RUN apt update && apt install -y git
+RUN apt update && apt install -y git libmagic1 optipng
 
 COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt