diff --git a/Dockerfile b/Dockerfile
index 861b4a4..feb22ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM debian:trixie-slim
-RUN apt-get update && apt-get install -y gcc make git libffi-dev
+RUN apt-get update && apt-get install -y gcc make git libffi-dev docker.io
 WORKDIR /build
 RUN git clone https://github.com/ashinn/chibi-scheme.git --depth=1 chibi
 WORKDIR /build/chibi