diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5e477b4..c667874 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -47,7 +47,7 @@ pre-commit==2.21.0 ; python_version >= "3.9" and python_version < "4.0"
 pycodestyle==2.10.0 ; python_version >= "3.9" and python_version < "4.0"
 pycparser==2.21 ; python_version >= "3.9" and python_version < "4.0"
 pyflakes==3.0.1 ; python_version >= "3.9" and python_version < "4.0"
-pygments==2.15.1 ; python_version >= "3.9" and python_version < "4.0"
+pygments==2.20.0 ; python_version >= "3.9" and python_version < "4.0"
 pylint==2.17.4 ; python_version >= "3.9" and python_version < "4.0"
 pyrsistent==0.19.3 ; python_version >= "3.9" and python_version < "4.0"
 python-dateutil==2.8.2 ; python_version >= "3.9" and python_version < "4.0"