diff --git a/requirements.txt b/requirements.txt
index 249a0cd..3320493 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ ipaddress==1.0.16
 mercurial==4.1.3
 ndg-httpsclient==0.4.0
 pyasn1==0.1.9
-Pygments==2.1
+Pygments==2.7.4
 pyOpenSSL==0.15.1
 pytz==2014.10
 requests==2.9.1