diff --git a/explainer/requirements.txt b/explainer/requirements.txt
index 87a0f3e..6313254 100644
--- a/explainer/requirements.txt
+++ b/explainer/requirements.txt
@@ -55,7 +55,7 @@ protobuf==3.9.0
 ptyprocess==0.6.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
-Pygments==2.4.2
+Pygments==2.7.4
 pylint==2.3.1
 pyparsing==2.4.0
 pyrsistent==0.15.3