diff --git a/telnet/Dockerfile b/telnet/Dockerfile
index bc19f6d..613170d 100644
--- a/telnet/Dockerfile
+++ b/telnet/Dockerfile
@@ -6,4 +6,7 @@
 FROM alpine:latest
 LABEL maintainer "Jessie Frazelle <jess@linux.com>"
 
+RUN apk add --no-cache --virtual \
+	busybox-extras
+
 ENTRYPOINT [ "telnet" ]