diff --git a/requirements.txt b/requirements.txt
index ff340a75..4677651d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Jinja2==2.8
 MarkupSafe==0.23
 Pillow==2.3.0
 PyPDF2==1.25.1
-Pygments==2.0.2
+Pygments==2.7.4
 Sphinx==1.3.3
 beautifulsoup4==4.4.0
 decorator==3.4.0