diff --git a/requirements.txt b/requirements.txt
index a628f9a..993af59 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -90,7 +90,7 @@ py4j==0.10.7
 pycosat==0.6.3
 pycparser==2.19
 pyct==0.4.6
-Pygments==2.4.2
+Pygments==2.7.4
 pyOpenSSL==19.0.0
 pyparsing==2.4.2
 PyPDF2==1.26.0