diff --git a/requirements.txt b/requirements.txt
index 10742d9..fb57637 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ jedi==0.11.1
 parso==0.1.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
-Pygments==2.2.0
+Pygments==2.7.4
 pytz==2017.3
 requests==2.18.4
 simplegeneric==0.8.1