diff --git a/requirements.txt b/requirements.txt
index 05a3af9..d5c3bda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -156,7 +156,7 @@ pydot==1.2.3
 pydot-ng==1.0.0
 pyemd==0.4.4
 pyflakes==1.5.0
-Pygments==2.2.0
+Pygments==2.7.4
 PyHive==0.5.0
 pylint==1.7.2
 pyodbc==4.0.17