diff --git a/requirements.txt b/requirements.txt
index 3e14c45..864d09c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 pycodestyle==2.3.1
 pyflakes==1.6.0
-Pygments==2.2.0
+Pygments==2.7.4
 pytest-runner==4.2
 pytz==2018.3
 requests==2.20.0