diff --git a/build/Dockerfile b/build/Dockerfile
index e3838e3d..3b8a12c2 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -29,7 +29,7 @@ RUN rustup target add \
 # We use Zig as the linker to perform the compilation from a Linux host.
 # Zig is not yet available on Debian, so we download the official binary.
 # Compilation is done via `cargo-zigbuild` which is a wrapper around `zig`.
-RUN cargo install cargo-zigbuild@0.19.3
+RUN cargo install --locked cargo-zigbuild@0.19.3
 
 
 # Parts of the macOS SDK are required to build Radicle, we make these available