diff --git a/base/texlive:2018 b/base/texlive:2018
index dd4de47173c7b5b04b17f723f6cab7b48012fbdb..f8ec7e66bd07c671f1102880ec3f8513ba5b2bee 100644
--- a/base/texlive:2018
+++ b/base/texlive:2018
@@ -3,6 +3,7 @@ MAINTAINER Tamas Gal <tgal@km3net.de>
 
  RUN pacman -Sy --noconfirm make grep glibc awk sed
  RUN pacman -Sy --noconfirm git
+ RUN pacman -Sy --noconfirm arpack
  RUN pacman -Sy --noconfirm texlive-most texlive-lang
  RUN pacman -Sy --noconfirm qpdf poppler
  RUN pacman -Sy --noconfirm python python-pip