diff --git a/Dockerfile b/Dockerfile
index 39f5973..097a0da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ WORKDIR ${APP_HOME}
 
 # Create build target cache.
 RUN USER=root cargo init --bin .
-COPY ["Cargo.toml", "Cargo.lock", "./"]
+COPY ["Cargo.toml", "./"]
 RUN cargo build \
     && cargo build --tests \
     && cargo build --release \