diff --git a/Dockerfile b/Dockerfile
index e847a34..cd9f5c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -200,7 +200,7 @@
         ros-melodic-derived-object-msgs \
         ros-melodic-ackermann-msgs \
         ros-melodic-ainstein-radar-msgs \
-        && \
+        python3-numpy && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 RUN pip install --upgrade setuptools wheel && \