diff --git a/dev_requirements.txt b/dev_requirements.txt
index 3ece45a..a1718f8 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -26,7 +26,7 @@ ptyprocess==0.5.2
 py==1.5.2
 pycodestyle==2.3.1
 pyflakes==1.6.0
-Pygments==2.2.0
+Pygments==2.7.4
 pytest==3.2.5
 pytest-cov==2.5.1
 pytest-html==1.16.0