diff --git a/libraries/python2-matplotlib/python2-matplotlib.info b/libraries/python2-matplotlib/python2-matplotlib.info
index c7893768f3..a1722c866f 100644
--- a/libraries/python2-matplotlib/python2-matplotlib.info
+++ b/libraries/python2-matplotlib/python2-matplotlib.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://files.pythonhosted.org/packages/10/5f/10c310c943f29e67976dcc26
 MD5SUM="422fc58e7323b7ba3f19382424f9ab7b"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="python2-numpy python2-dateutil pytz python2-cycler functools-lru-cache subprocess32 python2-kiwisolver tornado"
+REQUIRES="python2-numpy python2-dateutil python2-pytz python2-cycler functools-lru-cache subprocess32 python2-kiwisolver tornado"
 MAINTAINER="Serban Udrea"
 EMAIL="S.Udrea@gsi.de"