diff --git a/requirements.txt b/requirements.txt
index deeb04b..db64e07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycosat==0.6.3
 pycparser==2.19
-Pygments==2.5.2
+Pygments==2.7.4
 pyOpenSSL==19.0.0
 pyparsing==2.4.6
 pyrsistent==0.15.7