diff --git a/requirements.txt b/requirements.txt
index 65f1ae5..3b639e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ pycrypto==2.6.1
 pycurl==7.19.5.1
 PyEntrezId==1.5.8.1
 pyflakes==1.0.0
-Pygments==2.1.3
+Pygments==2.7.4
 pyinotify==0.9.6
 pyOpenSSL==16.2.0
 pyparsing==2.0.3