diff --git a/requirements.txt b/requirements.txt
index c8b9293..10ca6e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pyasn1==0.4.4
 pyasn1-modules==0.2.2
 pycparser==2.18
 PyDispatcher==2.0.5
-Pygments==2.2.0
+Pygments==2.7.4
 PyHamcrest==1.9.0
 pymongo==3.7.1
 pyOpenSSL==18.0.0