diff --git a/requirements.txt b/requirements.txt
index 2e882b3..75ac879 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask
-Pygments==1.6
+Pygments==2.7.4
 beautifulsoup4==4.3.2
 blinker==1.3
 docutils==0.11