diff --git a/requirements.txt b/requirements.txt
index 955900c..b715a8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ py==1.5.3
 pycodestyle==2.3.1
 pycparser==2.18
 pyflakes==1.6.0
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 pytest==3.5.1
 pytz==2018.4