diff --git a/requirements.txt b/requirements.txt
index 2c788e1..b6f6c07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ pickleshare==0.7.4
 prompt-toolkit==1.0.15
 psycopg2==2.7.3
 ptyprocess==0.5.2
-Pygments==2.2.0
+Pygments==2.7.4
 python-coveralls==2.9.1
 pytz==2017.2
 PyYAML==3.12