diff --git a/keyserver/Dockerfile b/keyserver/Dockerfile
--- a/keyserver/Dockerfile
+++ b/keyserver/Dockerfile
@@ -146,8 +146,8 @@
 COPY --chown=comm web/backup-client-wasm/Cargo.toml \
   web/backup-client-wasm/
 
-# Copy cargo workspace root Cargo.toml
-COPY --chown=comm Cargo.toml Cargo.toml
+# Copy cargo workspace root Cargo.toml and Cargo.lock
+COPY --chown=comm Cargo.toml Cargo.lock ./
 RUN sed -i -E '/services\/\*/d' Cargo.toml
 
 # Copy in local dependencies of rust-node-addon