diff --git a/requirements.txt b/requirements.txt
index f8065c2..ef004a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ MarkupSafe==1.1.1
 packaging==19.0
 Pygments==2.4.2
 pyparsing==2.4.0
-pytz==2019.1
+pytz==2019.2
 requests==2.22.0
 six==1.12.0
 snowballstemmer==1.9.0