diff --git a/virtualbox/Dockerfile b/virtualbox/Dockerfile
index 019a9e3..aff6488 100644
--- a/virtualbox/Dockerfile
+++ b/virtualbox/Dockerfile
@@ -35,13 +35,15 @@ MAINTAINER Jessie Frazelle <jess@linux.com>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
-	software-properties-common \
 	--no-install-recommends && \
 	curl -sSL https://www.virtualbox.org/download/oracle_vbox.asc | apt-key add - && \
-	echo "deb http://download.virtualbox.org/virtualbox/debian jessie contrib" >> /etc/apt/sources.list.d/virtualbox.list && \
+	echo "deb http://download.virtualbox.org/virtualbox/debian vivid contrib" >> /etc/apt/sources.list.d/virtualbox.list && \
 	apt-get update && \
 	apt-get install -y \
 	virtualbox-5.0 \
+	&& apt-get purge -y --auto-remove \
+	ca-certificates \
+	curl \
 	&& rm -rf /var/lib/apt/lists/*
 
 ENTRYPOINT	[ "/usr/bin/virtualbox" ]