diff --git a/requirements.txt b/requirements.txt
index 2f896d9..fc77e2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -119,7 +119,7 @@ pycosat==0.6.3
 pycparser==2.18
 pycrypto==2.6.1
 pyflakes==1.6.0
-Pygments==2.2.0
+Pygments==2.7.4
 pyliftover==0.3
 pylint==1.8.4
 pyOpenSSL==18.0.0