diff --git a/Dockerfile b/Dockerfile
index 4473d60..ce447a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ ENV CHARTDIR /chart
 ENV TEXTDIR /text
 
 COPY requirements.txt .
-RUN pip3 install --no-cache-dir -r requirements.txt && rm requirements.txt
+RUN apt update && apt install -y python3-matplotlib && apt clean && pip3 install --no-cache-dir sentry_sdk
 
 COPY make_graphs.py .