diff --git a/spark-qfs-swarm/worker-node/Dockerfile b/spark-qfs-swarm/worker-node/Dockerfile
index 3e04906..f868bd7 100644
--- a/spark-qfs-swarm/worker-node/Dockerfile
+++ b/spark-qfs-swarm/worker-node/Dockerfile
@@ -30,7 +30,7 @@ ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
 
 RUN apt-get update \
- && apt-get install -y curl unzip \
+ && apt-get install -y curl unzip procps \
     python3 python3-setuptools \
     libboost-regex-dev \
  && ln -s /usr/bin/python3 /usr/bin/python \