diff --git a/Dockerfile b/Dockerfile
index 977484f..bcffdca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,16 @@
 FROM rust:1.70 as builder
 
 WORKDIR /usr/local/app/fhevm-tfhe-cli
-ADD . .
+COPY . .
 RUN cargo build --release --features tfhe/seeder_unix
 
 FROM debian:bullseye-slim
 WORKDIR /usr/local/app
-RUN apt-get install libc6 -y
+
+RUN apt-get update && apt-get install -y \
+        libc6 \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY  --from=builder /usr/local/app/fhevm-tfhe-cli/target/release/fhevm-tfhe-cli /usr/local/bin
 ENV RUST_LOG=info