diff --git a/Dockerfile b/Dockerfile
index 1847596..8c8a16a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM python:3.13-slim-bookworm AS builder
 
-RUN apt-get update && apt-get install -y wget unzip
+RUN apt-get update && apt-get install -y wget unzip libmagic-dev
 
 RUN pip install --no-cache-dir --upgrade pip setuptools wheel
 
@@ -18,6 +18,8 @@ RUN pip wheel . --wheel-dir /wheels --find-links /wheels
 
 FROM python:3.13-slim-bookworm AS run
 
+RUN apt-get update && apt-get install -y libmagic1
+
 COPY --from=builder /wheels /wheels
 
 RUN pip --no-cache-dir install --find-links /wheels --no-index pnut-matrix