diff --git a/Dockerfile b/Dockerfile
index 0a87cb593bc42ac9964060b27ad4f6d6eea1ab9c..fdc9bd524ae4119a3ea359dbe0eec76d2ea62e2d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM continuumio/miniconda
 MAINTAINER Bas Nijholt <bas@nijho.lt>
 
-RUN apt-get update -q && apt-get install -qy \
+RUN apt-get -o Acquire::Check-Valid-Until=false update -q && apt-get install -qy \
     texlive-full \
     python-pygments gnuplot \
     make git \