diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 76a999c..cbc0dd5
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ prompt-toolkit==1.0.14
 protobuf==3.5.0.post1
 psutil==5.4.2
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3