diff --git a/requirements.txt b/requirements.txt
index f8b347e..8c11b97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ numpy==1.16.4
 packaging==19.0
 pluggy==0.12.0
 py==1.8.0
-Pygments==2.4.2
+Pygments==2.7.4
 pyparsing==2.4.0
 pytest==4.6.1
 pytest-mock==1.10.4