diff --git a/requirements_dev.txt b/requirements_dev.txt
index a1cee13..6e39083 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -16,7 +16,7 @@ pkginfo==1.4.2
 pluggy==0.9.0
 py==1.8.0
 pycparser==2.19
-Pygments==2.2.0
+Pygments==2.7.4
 pytest==4.3.0
 readme-renderer==22.0
 requests==2.20.0