diff --git a/requirements.txt b/requirements.txt
index 655b9ec..94a5215 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ pyasn1==0.4.5
 pyasn1-modules==0.2.5
 pycparser==2.19
 PyDispatcher==2.0.5
-Pygments==2.4.2
+Pygments==2.7.4
 PyHamcrest==1.9.0
 pyOpenSSL==19.0.0
 pyrsistent==0.15.3