diff --git a/Dockerfile b/Dockerfile
index e8201dc..d22b16b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,6 +39,7 @@ RUN apt-get update -y && apt-get upgrade -y && apt-get install --no-install-reco
     iptables \
     jq \
     lsb-release \
+    lsof \
     nano \
     net-tools \
     nodejs \