diff --git a/Dockerfile b/Dockerfile
index 76f54d251..7012c429f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,7 +26,9 @@ RUN cargo build --release
 FROM debian:bullseye-slim
 
 RUN apt-get update \
- && apt-get install -y --no-install-recommends ca-certificates
+ && apt-get install -y --no-install-recommends ca-certificates \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
 
 RUN update-ca-certificates