diff --git a/requirements.txt b/requirements.txt
index 22e2898..161f9a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ pickleshare==0.7.5
 pkg-resources==0.0.0
 prompt-toolkit==2.0.9
 ptyprocess==0.6.0
-Pygments==2.3.1
+Pygments==2.7.4
 pytz==2018.9
 requests==2.21.0
 six==1.12.0