diff --git a/lodestar/Dockerfile.source b/lodestar/Dockerfile.source
index 401eeadd..a1eee2af 100644
--- a/lodestar/Dockerfile.source
+++ b/lodestar/Dockerfile.source
@@ -7,7 +7,7 @@ ARG DOCKER_REPO
 ARG BUILD_TARGET
 ARG SRC_REPO
 
-RUN apt-get update && apt-get install -y --no-install-recommends git g++ make python3 python3-setuptools bash && apt-get clean && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates git g++ make python3 python3-setuptools bash && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /usr/app