diff --git a/Dockerfile b/Dockerfile
index 3584f7e..06a2dfb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ FROM rust AS builder
 WORKDIR /usr/src/calypso
 COPY . .
 
+RUN git submodule update --init
 RUN apt-get update && apt-get install -y libssl-dev build-essential cmake 
 RUN cargo install --path .