diff --git a/requirements.txt b/requirements.txt
index 42e2d70a..bd8aefd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ mkdocs-material-extensions==1.0.1; python_version >= "3.5"
 mkdocs-material==7.1.9
 mkdocs==1.2.1; python_version >= "3.6"
 packaging==20.9; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
-pygments==2.9.0; python_version >= "3.5"
+pygments==2.15.0; python_version >= "3.5"
 pymdown-extensions==8.2; python_version >= "3.6"
 pyparsing==2.4.7; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 python-dateutil==2.8.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6"