diff --git a/services/tunnelbroker/Dockerfile b/services/tunnelbroker/Dockerfile
index 6f526b718..b7c475987 100644
--- a/services/tunnelbroker/Dockerfile
+++ b/services/tunnelbroker/Dockerfile
@@ -1,35 +1,35 @@
 FROM rust:1.70-bullseye as builder
 
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
   build-essential cmake git libgtest-dev libssl-dev zlib1g-dev \
   && rm -rf /var/lib/apt/lists/* \
   && mkdir -p /home/root/app/
 
 WORKDIR /home/root/app
 
 # Install more recent version of protobuf, must be ran as root
 COPY scripts/install_protobuf.sh ../../scripts/install_protobuf.sh
 RUN ../../scripts/install_protobuf.sh
 
 COPY services/tunnelbroker .
 
 COPY shared ../../shared/
 
-RUN cargo install --path .
+RUN cargo install --locked --path .
 
 FROM debian:bullseye-slim as runner
 
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
   ca-certificates \
   && rm -rf /var/lib/apt/lists/* \
   && useradd -m comm \
   && mkdir -p /home/comm/app/tunnelbroker
 
 WORKDIR /home/comm/app/tunnelbroker
 
 COPY --from=builder /usr/local/cargo/bin/tunnelbroker \
   /usr/local/bin/tunnelbroker
 
 USER comm
 
 CMD ["tunnelbroker"]