diff --git a/Dockerfile b/Dockerfile
index e6b5c54..54ee870 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM alpine:3.15.0
+FROM alpine:3.15.3
 LABEL maintainer="Chris Kankiewicz <Chris@ChrisKankiewicz.com>"
 
 # Define iperf version
-ARG IPERF_VERSION=2.0.14a-r0
+ARG IPERF_VERSION=iperf-2.1.4-r0
 
 # Install iperf
 RUN apk add --update iperf=${IPERF_VERSION} && rm -rf /var/cache/apk/*