diff --git a/requirements_dev.txt b/requirements_dev.txt
index c498a9b..76bede8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -26,7 +26,7 @@ py==1.10.0
 pycodestyle==2.7.0
 pycparser==2.20
 pyflakes==2.3.1
-Pygments==2.6.1
+Pygments==2.7.4
 pyparsing==2.4.7
 pytest==6.2.5
 pytest-cov==3.0.0