diff --git a/Dockerfile b/Dockerfile
index c3472e095..38eaad2f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 FROM rust:1.77-bullseye AS chef
 # We only pay the installation cost once,
 # it will be cached from the second build onwards
-RUN cargo install cargo-chef
+RUN cargo install --locked cargo-chef
 
 WORKDIR "/noseyparker"