diff --git a/requirements.txt b/requirements.txt
index d343d718..718a701e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ matplotlib==2.2.4
 nestly==0.6.1
 numpy==1.16.6
 psutil==5.6.7
-Pygments==2.5.2
+Pygments==2.15.0
 pyparsing==2.4.6
 pysam==0.15.3
 python-dateutil==2.8.1