diff --git a/Dockerfile b/Dockerfile
index 4138554..c8ba1df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,10 @@ FROM zabbix/zabbix-agent2:alpine-6.4.21
 USER root
 
 # force installation of python3 and pip3
-RUN apk add --update --no-cache python3 py3-pip \
-    && rm -rf /var/cache/apk/*
+RUN apk add --update --no-cache \
+    python3 py3-pip \
+    iperf3 \
+  && rm -rf /var/cache/apk/*
     
 RUN pip3 install \
   urbackup-server-web-api-wrapper \