diff --git a/Dockerfile b/Dockerfile
index 9bcf1f3..3b558ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ COPY . /app
 USER root
 
 RUN apt-get update
-RUN apt-get install libssl-dev pkg-config -y
+RUN apt-get install --no-install-recommends libssl-dev pkg-config -y && rm -rf /var/lib/apt/lists/*;
 RUN cargo build --release
 
 # Copy the binary into a new container for a smaller docker image
@@ -15,7 +15,7 @@ FROM debian:buster-slim
 WORKDIR /etc/lust
 
 RUN apt-get update \
-    && apt-get install -y ca-certificates libssl-dev pkg-config \
+    && apt-get install --no-install-recommends -y ca-certificates libssl-dev pkg-config \
     && rm -rf /var/lib/apt/lists/*
 
 COPY --from=build /app/target/release/lust ./