diff --git a/Dockerfile b/Dockerfile
index b0ad5e8..98e9cb4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,7 +38,8 @@ RUN apt-get update && apt-get install -y \
  locales \
  openssh-server \
  iputils-ping \
- net-tools
+ net-tools \
+ ninja-build
 
 run pip install pybars3