diff --git a/warzone/deploy/docker/Dockerfile.wzp b/warzone/deploy/docker/Dockerfile.wzp
index ecb40f4..b2be8a3 100644
--- a/warzone/deploy/docker/Dockerfile.wzp
+++ b/warzone/deploy/docker/Dockerfile.wzp
@@ -8,6 +8,9 @@ WORKDIR /build
 COPY warzone-phone/Cargo.toml warzone-phone/Cargo.lock ./warzone-phone/
 COPY warzone-phone/crates ./warzone-phone/crates
 
+# wzp-crypto depends on warzone-protocol via deps/featherchat/warzone/...
+COPY warzone/crates/warzone-protocol ./warzone-phone/deps/featherchat/warzone/crates/warzone-protocol
+
 # Build both binaries
 WORKDIR /build/warzone-phone
 RUN cargo build --release --bin wzp-relay --bin wzp-web