diff --git a/requirements.txt b/requirements.txt
index 064a583..5e182b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ idna==2.8
 kiwisolver==1.1.0
 matplotlib==3.1.1
 numpy==1.17.2
-Pygments==2.4.2
+Pygments==2.7.4
 pyparsing==2.4.2
 python-dateutil==2.8.0
 requests==2.22.0