diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 31598e3..49d0ab3
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Babel==2.1.1
 Jinja2==2.8
 MarkupSafe==0.23
-Pygments==2.0.2
+Pygments==2.7.4
 Sphinx==1.3.1
 alabaster==0.7.6
 argparse==1.2.1