diff --git a/requirements-dev.txt b/requirements-dev.txt
index bd153b0..a5e763d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -61,7 +61,7 @@ pluggy==1.6.0
     # via
     #   pytest
     #   pytest-cov
-pygments==2.20.0
+pygments==2.21.0
     # via
     #   pytest
     #   sphinx