diff --git a/jekyll/Dockerfile b/jekyll/Dockerfile
index bf0d3ac..ea27d23 100644
--- a/jekyll/Dockerfile
+++ b/jekyll/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:wheezy
+FROM debian:jessie
 MAINTAINER Johannes Schickling "schickling.j@gmail.com"
 
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/jekyll/install.sh b/jekyll/install.sh
index 714b33d..ebd073c 100644
--- a/jekyll/install.sh
+++ b/jekyll/install.sh
@@ -3,7 +3,7 @@
 # exit if a command fails
 set -e
 
-# install ruby 1.9.1
+# install ruby 2.1
 apt-get update && apt-get install -y ruby ruby-dev build-essential
 
 # install jekyll & bundler (therubyracer needed for coffeescript support)