diff --git a/nanopb.dockerfile b/nanopb.dockerfile
index 90a982e..2f0bff7 100644
--- a/nanopb.dockerfile
+++ b/nanopb.dockerfile
@@ -5,7 +5,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list.d/ubuntu.sources && \
     dpkg --add-architecture i386 && \
     apt-get update && \
-    apt-get install -y make cmake wget gcc g++ libc6:i386 libstdc++6:i386
+    apt-get install -y make cmake ninja-build openssh-client wget gcc g++ libc6:i386 libstdc++6:i386
 
 RUN cd /opt && \
     wget https://jpa.kapsi.fi/nanopb/download/nanopb-0.3.9.3-linux-x86.tar.gz && \