diff --git a/requirements.txt b/requirements.txt
index 84286c0..083ce5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pluggy==0.9.0
 protobuf==3.7.1
 py==1.8.0
 pyfaidx==0.5.5.2
-Pygments==2.3.1
+Pygments==2.7.4
 pylint==2.3.1
 pyparsing==2.4.0
 pytest==4.4.1