diff --git a/requirements.txt b/requirements.txt
index 88442f8..e617cb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ Markdown==3.0.1
 odfpy==1.4.0
 openpyxl==2.6.0
 Pillow==5.4.1
-Pygments==2.3.1
+Pygments==2.7.4
 PyMySQL==0.9.3
 python-memcached==1.59
 pytz==2017.2